28556918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{23369}}^1$

素因数の和:23431

約数の個数: 16

約数和(自身を含む): 47113920

約数和(自身を除く): 18557002

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 23369, 46738, 303797, 607594, 1098343, 2196686, 14278459, 28556918]

約数ペア:

[(1, 28556918), (2, 14278459), (13, 2196686), (26, 1098343), (47, 607594), (94, 303797), (611, 46738), (1222, 23369)]