3999999125

素因数分解:

$5^3\times {\mathrm{347}}^1\times {\mathrm{92219}}^1$

素因数の和:92581

約数の個数: 16

約数和(自身を含む): 5006439360

約数和(自身を除く): 1006440235

約数列:

[1, 5, 25, 125, 347, 1735, 8675, 43375, 92219, 461095, 2305475, 11527375, 31999993, 159999965, 799999825, 3999999125]

約数ペア:

[(1, 3999999125), (5, 799999825), (25, 159999965), (125, 31999993), (347, 11527375), (1735, 2305475), (8675, 461095), (43375, 92219)]