64115792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{308249}}^1$

素因数の和:308270

約数の個数: 20

約数和(自身を含む): 133780500

約数和(自身を除く): 69664708

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 308249, 616498, 1232996, 2465992, 4007237, 4931984, 8014474, 16028948, 32057896, 64115792]

約数ペア:

[(1, 64115792), (2, 32057896), (4, 16028948), (8, 8014474), (13, 4931984), (16, 4007237), (26, 2465992), (52, 1232996), (104, 616498), (208, 308249)]