686415392

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 1608016536

約数和(自身を除く): 921601144

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 32, 34, 52, 62, 68, 101, 104, 124, 136, 202, 208, 221, 248, 272, 403, 404, 416, 442, 496, 527, 544, 806, 808, 884, 961, 992, 1054, 1313, 1612, 1616, 1717, 1768, 1922, 2108, 2626, 3131, 3224, 3232, 3434, 3536, 3844, 4216, 5252, 6262, 6448, 6851, 6868, 7072, 7688, 8432, 10504, 12493, 12524, 12896, 13702, 13736, 15376, 16337, 16864, 21008, 22321, 24986, 25048, 27404, 27472, 30752, 32674, 40703, 42016, 44642, 49972, 50096, 53227, 54808, 54944, 65348, 81406, 89284, 97061, 99944, 100192, 106454, 109616, 130696, 162812, 178568, 194122, 199888, 212381, 212908, 219232, 261392, 325624, 357136, 388244, 399776, 424762, 425816, 522784, 651248, 691951, 714272, 776488, 849524, 851632, 1261793, 1302496, 1383902, 1552976, 1650037, 1699048, 1703264, 2523586, 2767804, 3105952, 3300074, 3398096, 5047172, 5535608, 6600148, 6796192, 10094344, 11071216, 13200296, 20188688, 21450481, 22142432, 26400592, 40377376, 42900962, 52801184, 85801924, 171603848, 343207696, 686415392]

約数ペア:

[(1, 686415392), (2, 343207696), (4, 171603848), (8, 85801924), (13, 52801184), (16, 42900962), (17, 40377376), (26, 26400592), (31, 22142432), (32, 21450481), (34, 20188688), (52, 13200296), (62, 11071216), (68, 10094344), (101, 6796192), (104, 6600148), (124, 5535608), (136, 5047172), (202, 3398096), (208, 3300074), (221, 3105952), (248, 2767804), (272, 2523586), (403, 1703264), (404, 1699048), (416, 1650037), (442, 1552976), (496, 1383902), (527, 1302496), (544, 1261793), (806, 851632), (808, 849524), (884, 776488), (961, 714272), (992, 691951), (1054, 651248), (1313, 522784), (1612, 425816), (1616, 424762), (1717, 399776), (1768, 388244), (1922, 357136), (2108, 325624), (2626, 261392), (3131, 219232), (3224, 212908), (3232, 212381), (3434, 199888), (3536, 194122), (3844, 178568), (4216, 162812), (5252, 130696), (6262, 109616), (6448, 106454), (6851, 100192), (6868, 99944), (7072, 97061), (7688, 89284), (8432, 81406), (10504, 65348), (12493, 54944), (12524, 54808), (12896, 53227), (13702, 50096), (13736, 49972), (15376, 44642), (16337, 42016), (16864, 40703), (21008, 32674), (22321, 30752), (24986, 27472), (25048, 27404)]