291220205

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{4079}}^1$

素因数の和:4324

約数の個数: 16

約数和(自身を含む): 355449600

約数和(自身を除く): 64229395

約数列:

[1, 5, 109, 131, 545, 655, 4079, 14279, 20395, 71395, 444611, 534349, 2223055, 2671745, 58244041, 291220205]

約数ペア:

[(1, 291220205), (5, 58244041), (109, 2671745), (131, 2223055), (545, 534349), (655, 444611), (4079, 71395), (14279, 20395)]