218482910

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{80621}}^1$

素因数の和:80899

約数の個数: 16

約数和(自身を含む): 394725312

約数和(自身を除く): 176242402

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 80621, 161242, 403105, 806210, 21848291, 43696582, 109241455, 218482910]

約数ペア:

[(1, 218482910), (2, 109241455), (5, 43696582), (10, 21848291), (271, 806210), (542, 403105), (1355, 161242), (2710, 80621)]