27297790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209983}}^1$

素因数の和:210003

約数の個数: 16

約数和(自身を含む): 52915968

約数和(自身を除く): 25618178

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 209983, 419966, 1049915, 2099830, 2729779, 5459558, 13648895, 27297790]

約数ペア:

[(1, 27297790), (2, 13648895), (5, 5459558), (10, 2729779), (13, 2099830), (26, 1049915), (65, 419966), (130, 209983)]