68772808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3323}}^1$

素因数の和:3541

約数の個数: 32

約数和(自身を含む): 139608000

約数和(自身を除く): 70835192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 2587, 3323, 5174, 6646, 10348, 13292, 20696, 26584, 43199, 86398, 172796, 345592, 661277, 1322554, 2645108, 5290216, 8596601, 17193202, 34386404, 68772808]

約数ペア:

[(1, 68772808), (2, 34386404), (4, 17193202), (8, 8596601), (13, 5290216), (26, 2645108), (52, 1322554), (104, 661277), (199, 345592), (398, 172796), (796, 86398), (1592, 43199), (2587, 26584), (3323, 20696), (5174, 13292), (6646, 10348)]