858996908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3675

約数の個数: 72

約数和(自身を含む): 1915506432

約数和(自身を除く): 1056509524

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 121, 142, 154, 242, 284, 308, 484, 497, 781, 847, 994, 1562, 1694, 1988, 3124, 3388, 3571, 5467, 7142, 8591, 10934, 14284, 17182, 21868, 24997, 34364, 39281, 49994, 60137, 78562, 99988, 120274, 157124, 240548, 253541, 274967, 432091, 507082, 549934, 864182, 1014164, 1099868, 1728364, 1774787, 2788951, 3024637, 3549574, 5577902, 6049274, 7099148, 11155804, 12098548, 19522657, 30678461, 39045314, 61356922, 78090628, 122713844, 214749227, 429498454, 858996908]

約数ペア:

[(1, 858996908), (2, 429498454), (4, 214749227), (7, 122713844), (11, 78090628), (14, 61356922), (22, 39045314), (28, 30678461), (44, 19522657), (71, 12098548), (77, 11155804), (121, 7099148), (142, 6049274), (154, 5577902), (242, 3549574), (284, 3024637), (308, 2788951), (484, 1774787), (497, 1728364), (781, 1099868), (847, 1014164), (994, 864182), (1562, 549934), (1694, 507082), (1988, 432091), (3124, 274967), (3388, 253541), (3571, 240548), (5467, 157124), (7142, 120274), (8591, 99988), (10934, 78562), (14284, 60137), (17182, 49994), (21868, 39281), (24997, 34364)]