81529204

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 156739968

約数和(自身を除く): 75210764

約数列:

[1, 2, 4, 23, 37, 43, 46, 74, 86, 92, 148, 172, 557, 851, 989, 1114, 1591, 1702, 1978, 2228, 3182, 3404, 3956, 6364, 12811, 20609, 23951, 25622, 36593, 41218, 47902, 51244, 73186, 82436, 95804, 146372, 474007, 550873, 886187, 948014, 1101746, 1772374, 1896028, 2203492, 3544748, 20382301, 40764602, 81529204]

約数ペア:

[(1, 81529204), (2, 40764602), (4, 20382301), (23, 3544748), (37, 2203492), (43, 1896028), (46, 1772374), (74, 1101746), (86, 948014), (92, 886187), (148, 550873), (172, 474007), (557, 146372), (851, 95804), (989, 82436), (1114, 73186), (1591, 51244), (1702, 47902), (1978, 41218), (2228, 36593), (3182, 25622), (3404, 23951), (3956, 20609), (6364, 12811)]