128433136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{617467}}^1$

素因数の和:617488

約数の個数: 20

約数和(自身を含む): 267981112

約数和(自身を除く): 139547976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 617467, 1234934, 2469868, 4939736, 8027071, 9879472, 16054142, 32108284, 64216568, 128433136]

約数ペア:

[(1, 128433136), (2, 64216568), (4, 32108284), (8, 16054142), (13, 9879472), (16, 8027071), (26, 4939736), (52, 2469868), (104, 1234934), (208, 617467)]