8404345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 10530000

約数和(自身を除く): 2125655

約数列:

[1, 5, 29, 145, 149, 389, 745, 1945, 4321, 11281, 21605, 56405, 57961, 289805, 1680869, 8404345]

約数ペア:

[(1, 8404345), (5, 1680869), (29, 289805), (145, 57961), (149, 56405), (389, 21605), (745, 11281), (1945, 4321)]