251298709

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^2\times {\mathrm{89}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 280528920

約数和(自身を除く): 29230211

約数列:

[1, 17, 37, 67, 89, 629, 1139, 1513, 2479, 3293, 4489, 5963, 42143, 55981, 76313, 101371, 166093, 220631, 399521, 2823581, 3750727, 6791857, 14782277, 251298709]

約数ペア:

[(1, 251298709), (17, 14782277), (37, 6791857), (67, 3750727), (89, 2823581), (629, 399521), (1139, 220631), (1513, 166093), (2479, 101371), (3293, 76313), (4489, 55981), (5963, 42143)]