289755739

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 364654080

約数和(自身を除く): 74898341

約数列:

[1, 7, 13, 83, 91, 169, 227, 581, 1079, 1183, 1589, 2197, 2951, 7553, 14027, 15379, 18841, 20657, 38363, 98189, 131887, 182351, 244933, 268541, 498719, 1276457, 1714531, 3184129, 3491033, 22288903, 41393677, 289755739]

約数ペア:

[(1, 289755739), (7, 41393677), (13, 22288903), (83, 3491033), (91, 3184129), (169, 1714531), (227, 1276457), (581, 498719), (1079, 268541), (1183, 244933), (1589, 182351), (2197, 131887), (2951, 98189), (7553, 38363), (14027, 20657), (15379, 18841)]