258636872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1571}}^1\times {\mathrm{1583}}^1$

素因数の和:3173

約数の個数: 32

約数和(自身を含む): 522910080

約数和(自身を除く): 264273208

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1571, 1583, 3142, 3166, 6284, 6332, 12568, 12664, 20423, 20579, 40846, 41158, 81692, 82316, 163384, 164632, 2486893, 4973786, 9947572, 19895144, 32329609, 64659218, 129318436, 258636872]

約数ペア:

[(1, 258636872), (2, 129318436), (4, 64659218), (8, 32329609), (13, 19895144), (26, 9947572), (52, 4973786), (104, 2486893), (1571, 164632), (1583, 163384), (3142, 82316), (3166, 81692), (6284, 41158), (6332, 40846), (12568, 20579), (12664, 20423)]