389625848

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{3251}}^1$

素因数の和:3539

約数の個数: 32

約数和(自身を含む): 744577920

約数和(自身を除く): 354952072

約数列:

[1, 2, 4, 8, 71, 142, 211, 284, 422, 568, 844, 1688, 3251, 6502, 13004, 14981, 26008, 29962, 59924, 119848, 230821, 461642, 685961, 923284, 1371922, 1846568, 2743844, 5487688, 48703231, 97406462, 194812924, 389625848]

約数ペア:

[(1, 389625848), (2, 194812924), (4, 97406462), (8, 48703231), (71, 5487688), (142, 2743844), (211, 1846568), (284, 1371922), (422, 923284), (568, 685961), (844, 461642), (1688, 230821), (3251, 119848), (6502, 59924), (13004, 29962), (14981, 26008)]