3984875

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 16

約数和(自身を含む): 5054400

約数和(自身を除く): 1069525

約数列:

[1, 5, 25, 71, 125, 355, 449, 1775, 2245, 8875, 11225, 31879, 56125, 159395, 796975, 3984875]

約数ペア:

[(1, 3984875), (5, 796975), (25, 159395), (71, 56125), (125, 31879), (355, 11225), (449, 8875), (1775, 2245)]