71643970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{100907}}^1$

素因数の和:100985

約数の個数: 16

約数和(自身を含む): 130776768

約数和(自身を除く): 59132798

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 100907, 201814, 504535, 1009070, 7164397, 14328794, 35821985, 71643970]

約数ペア:

[(1, 71643970), (2, 35821985), (5, 14328794), (10, 7164397), (71, 1009070), (142, 504535), (355, 201814), (710, 100907)]