28154338

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{1289}}^1$

素因数の和:1521

約数の個数: 16

約数和(自身を含む): 43158240

約数和(自身を除く): 15003902

約数列:

[1, 2, 67, 134, 163, 326, 1289, 2578, 10921, 21842, 86363, 172726, 210107, 420214, 14077169, 28154338]

約数ペア:

[(1, 28154338), (2, 14077169), (67, 420214), (134, 210107), (163, 172726), (326, 86363), (1289, 21842), (2578, 10921)]