66663428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{3571}}^1$

素因数の和:3947

約数の個数: 24

約数和(自身を含む): 126020160

約数和(自身を除く): 59356732

約数列:

[1, 2, 4, 13, 26, 52, 359, 718, 1436, 3571, 4667, 7142, 9334, 14284, 18668, 46423, 92846, 185692, 1281989, 2563978, 5127956, 16665857, 33331714, 66663428]

約数ペア:

[(1, 66663428), (2, 33331714), (4, 16665857), (13, 5127956), (26, 2563978), (52, 1281989), (359, 185692), (718, 92846), (1436, 46423), (3571, 18668), (4667, 14284), (7142, 9334)]