28381129

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{337}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 33291648

約数和(自身を除く): 4910519

約数列:

[1, 7, 53, 227, 337, 371, 1589, 2359, 12031, 17861, 76499, 84217, 125027, 535493, 4054447, 28381129]

約数ペア:

[(1, 28381129), (7, 4054447), (53, 535493), (227, 125027), (337, 84217), (371, 76499), (1589, 17861), (2359, 12031)]