81803384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5279}}^1$

素因数の和:5447

約数の個数: 32

約数和(自身を含む): 166320000

約数和(自身を除く): 84516616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1937, 3874, 5279, 7748, 10558, 15496, 21116, 42232, 68627, 137254, 274508, 549016, 786571, 1573142, 3146284, 6292568, 10225423, 20450846, 40901692, 81803384]

約数ペア:

[(1, 81803384), (2, 40901692), (4, 20450846), (8, 10225423), (13, 6292568), (26, 3146284), (52, 1573142), (104, 786571), (149, 549016), (298, 274508), (596, 137254), (1192, 68627), (1937, 42232), (3874, 21116), (5279, 15496), (7748, 10558)]