890390888

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{5189}}^1$

素因数の和:5525

約数の個数: 32

約数和(自身を含む): 1695573000

約数和(自身を除く): 805182112

約数列:

[1, 2, 4, 8, 89, 178, 241, 356, 482, 712, 964, 1928, 5189, 10378, 20756, 21449, 41512, 42898, 85796, 171592, 461821, 923642, 1250549, 1847284, 2501098, 3694568, 5002196, 10004392, 111298861, 222597722, 445195444, 890390888]

約数ペア:

[(1, 890390888), (2, 445195444), (4, 222597722), (8, 111298861), (89, 10004392), (178, 5002196), (241, 3694568), (356, 2501098), (482, 1847284), (712, 1250549), (964, 923642), (1928, 461821), (5189, 171592), (10378, 85796), (20756, 42898), (21449, 41512)]