64872470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13487}}^1$

素因数の和:13544

約数の個数: 32

約数和(自身を含む): 129161088

約数和(自身を除く): 64288618

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 13487, 26974, 67435, 134870, 175331, 350662, 499019, 876655, 998038, 1753310, 2495095, 4990190, 6487247, 12974494, 32436235, 64872470]

約数ペア:

[(1, 64872470), (2, 32436235), (5, 12974494), (10, 6487247), (13, 4990190), (26, 2495095), (37, 1753310), (65, 998038), (74, 876655), (130, 499019), (185, 350662), (370, 175331), (481, 134870), (962, 67435), (2405, 26974), (4810, 13487)]