68689816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1471}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 139104000

約数和(自身を除く): 70414184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 449, 898, 1471, 1796, 2942, 3592, 5837, 5884, 11674, 11768, 19123, 23348, 38246, 46696, 76492, 152984, 660479, 1320958, 2641916, 5283832, 8586227, 17172454, 34344908, 68689816]

約数ペア:

[(1, 68689816), (2, 34344908), (4, 17172454), (8, 8586227), (13, 5283832), (26, 2641916), (52, 1320958), (104, 660479), (449, 152984), (898, 76492), (1471, 46696), (1796, 38246), (2942, 23348), (3592, 19123), (5837, 11768), (5884, 11674)]