28325128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 62339760

約数和(自身を除く): 34014632

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 221, 296, 433, 442, 481, 629, 866, 884, 962, 1258, 1732, 1768, 1924, 2516, 3464, 3848, 5032, 5629, 7361, 8177, 11258, 14722, 16021, 16354, 22516, 29444, 32042, 32708, 45032, 58888, 64084, 65416, 95693, 128168, 191386, 208273, 272357, 382772, 416546, 544714, 765544, 833092, 1089428, 1666184, 2178856, 3540641, 7081282, 14162564, 28325128]

約数ペア:

[(1, 28325128), (2, 14162564), (4, 7081282), (8, 3540641), (13, 2178856), (17, 1666184), (26, 1089428), (34, 833092), (37, 765544), (52, 544714), (68, 416546), (74, 382772), (104, 272357), (136, 208273), (148, 191386), (221, 128168), (296, 95693), (433, 65416), (442, 64084), (481, 58888), (629, 45032), (866, 32708), (884, 32042), (962, 29444), (1258, 22516), (1732, 16354), (1768, 16021), (1924, 14722), (2516, 11258), (3464, 8177), (3848, 7361), (5032, 5629)]