39478556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 82315296

約数和(自身を除く): 42836740

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 71, 74, 142, 148, 221, 284, 289, 442, 481, 578, 629, 884, 923, 962, 1156, 1207, 1258, 1846, 1924, 2414, 2516, 2627, 3692, 3757, 4828, 5254, 7514, 8177, 10508, 10693, 15028, 15691, 16354, 20519, 21386, 31382, 32708, 34151, 41038, 42772, 44659, 62764, 68302, 82076, 89318, 136604, 139009, 178636, 266747, 278018, 533494, 556036, 580567, 759203, 1066988, 1161134, 1518406, 2322268, 3036812, 9869639, 19739278, 39478556]

約数ペア:

[(1, 39478556), (2, 19739278), (4, 9869639), (13, 3036812), (17, 2322268), (26, 1518406), (34, 1161134), (37, 1066988), (52, 759203), (68, 580567), (71, 556036), (74, 533494), (142, 278018), (148, 266747), (221, 178636), (284, 139009), (289, 136604), (442, 89318), (481, 82076), (578, 68302), (629, 62764), (884, 44659), (923, 42772), (962, 41038), (1156, 34151), (1207, 32708), (1258, 31382), (1846, 21386), (1924, 20519), (2414, 16354), (2516, 15691), (2627, 15028), (3692, 10693), (3757, 10508), (4828, 8177), (5254, 7514)]