81364664

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{248063}}^1$

素因数の和:248110

約数の個数: 16

約数和(自身を含む): 156280320

約数和(自身を除く): 74915656

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 248063, 496126, 992252, 1984504, 10170583, 20341166, 40682332, 81364664]

約数ペア:

[(1, 81364664), (2, 40682332), (4, 20341166), (8, 10170583), (41, 1984504), (82, 992252), (164, 496126), (328, 248063)]