31437025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 40176000

約数和(自身を除く): 8738975

約数列:

[1, 5, 25, 71, 89, 199, 355, 445, 995, 1775, 2225, 4975, 6319, 14129, 17711, 31595, 70645, 88555, 157975, 353225, 442775, 1257481, 6287405, 31437025]

約数ペア:

[(1, 31437025), (5, 6287405), (25, 1257481), (71, 442775), (89, 353225), (199, 157975), (355, 88555), (445, 70645), (995, 31595), (1775, 17711), (2225, 14129), (4975, 6319)]