291547984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 711984192

約数和(自身を除く): 420436208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 169, 182, 208, 211, 292, 338, 364, 422, 511, 584, 676, 728, 844, 949, 1022, 1168, 1183, 1352, 1456, 1477, 1688, 1898, 2044, 2366, 2704, 2743, 2954, 3376, 3796, 4088, 4732, 5486, 5908, 6643, 7592, 8176, 9464, 10972, 11816, 12337, 13286, 15184, 15403, 18928, 19201, 21944, 23632, 24674, 26572, 30806, 35659, 38402, 43888, 49348, 53144, 61612, 71318, 76804, 86359, 98696, 106288, 107821, 123224, 142636, 153608, 172718, 197392, 200239, 215642, 246448, 249613, 285272, 307216, 345436, 400478, 431284, 499226, 570544, 690872, 800956, 862568, 998452, 1381744, 1401673, 1601912, 1725136, 1996904, 2603107, 2803346, 3203824, 3993808, 5206214, 5606692, 10412428, 11213384, 18221749, 20824856, 22426768, 36443498, 41649712, 72886996, 145773992, 291547984]

約数ペア:

[(1, 291547984), (2, 145773992), (4, 72886996), (7, 41649712), (8, 36443498), (13, 22426768), (14, 20824856), (16, 18221749), (26, 11213384), (28, 10412428), (52, 5606692), (56, 5206214), (73, 3993808), (91, 3203824), (104, 2803346), (112, 2603107), (146, 1996904), (169, 1725136), (182, 1601912), (208, 1401673), (211, 1381744), (292, 998452), (338, 862568), (364, 800956), (422, 690872), (511, 570544), (584, 499226), (676, 431284), (728, 400478), (844, 345436), (949, 307216), (1022, 285272), (1168, 249613), (1183, 246448), (1352, 215642), (1456, 200239), (1477, 197392), (1688, 172718), (1898, 153608), (2044, 142636), (2366, 123224), (2704, 107821), (2743, 106288), (2954, 98696), (3376, 86359), (3796, 76804), (4088, 71318), (4732, 61612), (5486, 53144), (5908, 49348), (6643, 43888), (7592, 38402), (8176, 35659), (9464, 30806), (10972, 26572), (11816, 24674), (12337, 23632), (13286, 21944), (15184, 19201), (15403, 18928)]