81380568

素因数分解:

$2^3\times 3^1\times {\mathrm{1663}}^1\times {\mathrm{2039}}^1$

素因数の和:3711

約数の個数: 32

約数和(自身を含む): 203673600

約数和(自身を除く): 122293032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1663, 2039, 3326, 4078, 4989, 6117, 6652, 8156, 9978, 12234, 13304, 16312, 19956, 24468, 39912, 48936, 3390857, 6781714, 10172571, 13563428, 20345142, 27126856, 40690284, 81380568]

約数ペア:

[(1, 81380568), (2, 40690284), (3, 27126856), (4, 20345142), (6, 13563428), (8, 10172571), (12, 6781714), (24, 3390857), (1663, 48936), (2039, 39912), (3326, 24468), (4078, 19956), (4989, 16312), (6117, 13304), (6652, 12234), (8156, 9978)]