64131455

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1\times {\mathrm{509}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 78140160

約数和(自身を除く): 14008705

約数列:

[1, 5, 113, 223, 509, 565, 1115, 2545, 25199, 57517, 113507, 125995, 287585, 567535, 12826291, 64131455]

約数ペア:

[(1, 64131455), (5, 12826291), (113, 567535), (223, 287585), (509, 125995), (565, 113507), (1115, 57517), (2545, 25199)]