394004752

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{937}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 784059192

約数和(自身を除く): 390054440

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 641, 656, 937, 1282, 1874, 2564, 3748, 5128, 7496, 10256, 14992, 26281, 38417, 52562, 76834, 105124, 153668, 210248, 307336, 420496, 600617, 614672, 1201234, 2402468, 4804936, 9609872, 24625297, 49250594, 98501188, 197002376, 394004752]

約数ペア:

[(1, 394004752), (2, 197002376), (4, 98501188), (8, 49250594), (16, 24625297), (41, 9609872), (82, 4804936), (164, 2402468), (328, 1201234), (641, 614672), (656, 600617), (937, 420496), (1282, 307336), (1874, 210248), (2564, 153668), (3748, 105124), (5128, 76834), (7496, 52562), (10256, 38417), (14992, 26281)]