71322890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{245941}}^1$

素因数の和:245977

約数の個数: 16

約数和(自身を含む): 132808680

約数和(自身を除く): 61485790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 245941, 491882, 1229705, 2459410, 7132289, 14264578, 35661445, 71322890]

約数ペア:

[(1, 71322890), (2, 35661445), (5, 14264578), (10, 7132289), (29, 2459410), (58, 1229705), (145, 491882), (290, 245941)]