215772910

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{79621}}^1$

素因数の和:79899

約数の個数: 16

約数和(自身を含む): 389829312

約数和(自身を除く): 174056402

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 79621, 159242, 398105, 796210, 21577291, 43154582, 107886455, 215772910]

約数ペア:

[(1, 215772910), (2, 107886455), (5, 43154582), (10, 21577291), (271, 796210), (542, 398105), (1355, 159242), (2710, 79621)]