638494272

素因数分解:

$2^6\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 224

約数和(自身を含む): 2071583360

約数和(自身を除く): 1433089088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 43, 48, 52, 54, 64, 72, 78, 86, 96, 104, 108, 117, 129, 144, 156, 172, 192, 208, 216, 234, 258, 288, 312, 344, 351, 387, 416, 432, 468, 516, 559, 576, 624, 661, 688, 702, 774, 832, 864, 936, 1032, 1118, 1161, 1248, 1322, 1376, 1404, 1548, 1677, 1728, 1872, 1983, 2064, 2236, 2322, 2496, 2644, 2752, 2808, 3096, 3354, 3744, 3966, 4128, 4472, 4644, 5031, 5288, 5616, 5949, 6192, 6708, 7488, 7932, 8256, 8593, 8944, 9288, 10062, 10576, 11232, 11898, 12384, 13416, 15093, 15864, 17186, 17847, 17888, 18576, 20124, 21152, 22464, 23796, 24768, 25779, 26832, 28423, 30186, 31728, 34372, 35694, 35776, 37152, 40248, 42304, 47592, 51558, 53664, 56846, 60372, 63456, 68744, 71388, 74304, 77337, 80496, 85269, 95184, 103116, 107328, 113692, 120744, 126912, 137488, 142776, 154674, 160992, 170538, 190368, 206232, 227384, 232011, 241488, 255807, 274976, 285552, 309348, 321984, 341076, 369499, 380736, 412464, 454768, 464022, 482976, 511614, 549952, 571104, 618696, 682152, 738998, 767421, 824928, 909536, 928044, 965952, 1023228, 1108497, 1142208, 1237392, 1364304, 1477996, 1534842, 1649856, 1819072, 1856088, 2046456, 2216994, 2474784, 2728608, 2955992, 3069684, 3325491, 3712176, 4092912, 4433988, 4949568, 5457216, 5911984, 6139368, 6650982, 7424352, 8185824, 8867976, 9976473, 11823968, 12278736, 13301964, 14848704, 16371648, 17735952, 19952946, 23647936, 24557472, 26603928, 35471904, 39905892, 49114944, 53207856, 70943808, 79811784, 106415712, 159623568, 212831424, 319247136, 638494272]

約数ペア:

[(1, 638494272), (2, 319247136), (3, 212831424), (4, 159623568), (6, 106415712), (8, 79811784), (9, 70943808), (12, 53207856), (13, 49114944), (16, 39905892), (18, 35471904), (24, 26603928), (26, 24557472), (27, 23647936), (32, 19952946), (36, 17735952), (39, 16371648), (43, 14848704), (48, 13301964), (52, 12278736), (54, 11823968), (64, 9976473), (72, 8867976), (78, 8185824), (86, 7424352), (96, 6650982), (104, 6139368), (108, 5911984), (117, 5457216), (129, 4949568), (144, 4433988), (156, 4092912), (172, 3712176), (192, 3325491), (208, 3069684), (216, 2955992), (234, 2728608), (258, 2474784), (288, 2216994), (312, 2046456), (344, 1856088), (351, 1819072), (387, 1649856), (416, 1534842), (432, 1477996), (468, 1364304), (516, 1237392), (559, 1142208), (576, 1108497), (624, 1023228), (661, 965952), (688, 928044), (702, 909536), (774, 824928), (832, 767421), (864, 738998), (936, 682152), (1032, 618696), (1118, 571104), (1161, 549952), (1248, 511614), (1322, 482976), (1376, 464022), (1404, 454768), (1548, 412464), (1677, 380736), (1728, 369499), (1872, 341076), (1983, 321984), (2064, 309348), (2236, 285552), (2322, 274976), (2496, 255807), (2644, 241488), (2752, 232011), (2808, 227384), (3096, 206232), (3354, 190368), (3744, 170538), (3966, 160992), (4128, 154674), (4472, 142776), (4644, 137488), (5031, 126912), (5288, 120744), (5616, 113692), (5949, 107328), (6192, 103116), (6708, 95184), (7488, 85269), (7932, 80496), (8256, 77337), (8593, 74304), (8944, 71388), (9288, 68744), (10062, 63456), (10576, 60372), (11232, 56846), (11898, 53664), (12384, 51558), (13416, 47592), (15093, 42304), (15864, 40248), (17186, 37152), (17847, 35776), (17888, 35694), (18576, 34372), (20124, 31728), (21152, 30186), (22464, 28423), (23796, 26832), (24768, 25779)]