31158790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 66842496

約数和(自身を除く): 35683706

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 598, 613, 782, 1105, 1226, 1495, 1955, 2210, 2990, 3065, 3910, 5083, 6130, 7969, 10166, 10421, 14099, 15938, 20842, 25415, 28198, 39845, 50830, 52105, 70495, 79690, 104210, 135473, 140990, 183287, 239683, 270946, 366574, 479366, 677365, 916435, 1198415, 1354730, 1832870, 2396830, 3115879, 6231758, 15579395, 31158790]

約数ペア:

[(1, 31158790), (2, 15579395), (5, 6231758), (10, 3115879), (13, 2396830), (17, 1832870), (23, 1354730), (26, 1198415), (34, 916435), (46, 677365), (65, 479366), (85, 366574), (115, 270946), (130, 239683), (170, 183287), (221, 140990), (230, 135473), (299, 104210), (391, 79690), (442, 70495), (598, 52105), (613, 50830), (782, 39845), (1105, 28198), (1226, 25415), (1495, 20842), (1955, 15938), (2210, 14099), (2990, 10421), (3065, 10166), (3910, 7969), (5083, 6130)]