28459781

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1972

約数の個数: 16

約数和(自身を含む): 33965568

約数和(自身を除く): 5505787

約数列:

[1, 7, 41, 53, 287, 371, 1871, 2173, 13097, 15211, 76711, 99163, 536977, 694141, 4065683, 28459781]

約数ペア:

[(1, 28459781), (7, 4065683), (41, 694141), (53, 536977), (287, 99163), (371, 76711), (1871, 15211), (2173, 13097)]