81445612

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{1319}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 146361600

約数和(自身を除く): 64915988

約数列:

[1, 2, 4, 43, 86, 172, 359, 718, 1319, 1436, 2638, 5276, 15437, 30874, 56717, 61748, 113434, 226868, 473521, 947042, 1894084, 20361403, 40722806, 81445612]

約数ペア:

[(1, 81445612), (2, 40722806), (4, 20361403), (43, 1894084), (86, 947042), (172, 473521), (359, 226868), (718, 113434), (1319, 61748), (1436, 56717), (2638, 30874), (5276, 15437)]