66823016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{642529}}^1$

素因数の和:642548

約数の個数: 16

約数和(自身を含む): 134931300

約数和(自身を除く): 68108284

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 642529, 1285058, 2570116, 5140232, 8352877, 16705754, 33411508, 66823016]

約数ペア:

[(1, 66823016), (2, 33411508), (4, 16705754), (8, 8352877), (13, 5140232), (26, 2570116), (52, 1285058), (104, 642529)]