16691390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23509}}^1$

素因数の和:23587

約数の個数: 16

約数和(自身を含む): 30468960

約数和(自身を除く): 13777570

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 23509, 47018, 117545, 235090, 1669139, 3338278, 8345695, 16691390]

約数ペア:

[(1, 16691390), (2, 8345695), (5, 3338278), (10, 1669139), (71, 235090), (142, 117545), (355, 47018), (710, 23509)]