57871390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{81509}}^1$

素因数の和:81587

約数の個数: 16

約数和(自身を含む): 105636960

約数和(自身を除く): 47765570

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 81509, 163018, 407545, 815090, 5787139, 11574278, 28935695, 57871390]

約数ペア:

[(1, 57871390), (2, 28935695), (5, 11574278), (10, 5787139), (71, 815090), (142, 407545), (355, 163018), (710, 81509)]