1228981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 16

約数和(自身を含む): 1439424

約数和(自身を除く): 210443

約数列:

[1, 13, 17, 67, 83, 221, 871, 1079, 1139, 1411, 5561, 14807, 18343, 72293, 94537, 1228981]

約数ペア:

[(1, 1228981), (13, 94537), (17, 72293), (67, 18343), (83, 14807), (221, 5561), (871, 1411), (1079, 1139)]