40989416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{394129}}^1$

素因数の和:394148

約数の個数: 16

約数和(自身を含む): 82767300

約数和(自身を除く): 41777884

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 394129, 788258, 1576516, 3153032, 5123677, 10247354, 20494708, 40989416]

約数ペア:

[(1, 40989416), (2, 20494708), (4, 10247354), (8, 5123677), (13, 3153032), (26, 1576516), (52, 788258), (104, 394129)]