66815528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{642457}}^1$

素因数の和:642476

約数の個数: 16

約数和(自身を含む): 134916180

約数和(自身を除く): 68100652

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 642457, 1284914, 2569828, 5139656, 8351941, 16703882, 33407764, 66815528]

約数ペア:

[(1, 66815528), (2, 33407764), (4, 16703882), (8, 8351941), (13, 5139656), (26, 2569828), (52, 1284914), (104, 642457)]