81861204

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{220057}}^1$

素因数の和:220095

約数の個数: 24

約数和(自身を含む): 197171968

約数和(自身を除く): 115310764

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 220057, 440114, 660171, 880228, 1320342, 2640684, 6821767, 13643534, 20465301, 27287068, 40930602, 81861204]

約数ペア:

[(1, 81861204), (2, 40930602), (3, 27287068), (4, 20465301), (6, 13643534), (12, 6821767), (31, 2640684), (62, 1320342), (93, 880228), (124, 660171), (186, 440114), (372, 220057)]