81965416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{788129}}^1$

素因数の和:788148

約数の個数: 16

約数和(自身を含む): 165507300

約数和(自身を除く): 83541884

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 788129, 1576258, 3152516, 6305032, 10245677, 20491354, 40982708, 81965416]

約数ペア:

[(1, 81965416), (2, 40982708), (4, 20491354), (8, 10245677), (13, 6305032), (26, 3152516), (52, 1576258), (104, 788129)]