17720545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1279}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 22671360

約数和(自身を除く): 4950815

約数列:

[1, 5, 17, 85, 163, 815, 1279, 2771, 6395, 13855, 21743, 108715, 208477, 1042385, 3544109, 17720545]

約数ペア:

[(1, 17720545), (5, 3544109), (17, 1042385), (85, 208477), (163, 108715), (815, 21743), (1279, 13855), (2771, 6395)]