28738367

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 33534720

約数和(自身を除く): 4796353

約数列:

[1, 7, 89, 163, 283, 623, 1141, 1981, 14507, 25187, 46129, 101549, 176309, 322903, 4105481, 28738367]

約数ペア:

[(1, 28738367), (7, 4105481), (89, 322903), (163, 176309), (283, 101549), (623, 46129), (1141, 25187), (1981, 14507)]