71712505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{21503}}^1$

素因数の和:21560

約数の個数: 16

約数和(自身を含む): 92897280

約数和(自身を除く): 21184775

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 21503, 107515, 494569, 623587, 2472845, 3117935, 14342501, 71712505]

約数ペア:

[(1, 71712505), (5, 14342501), (23, 3117935), (29, 2472845), (115, 623587), (145, 494569), (667, 107515), (3335, 21503)]