71378215

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{503}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 86982336

約数和(自身を除く): 15604121

約数列:

[1, 5, 101, 281, 503, 505, 1405, 2515, 28381, 50803, 141343, 141905, 254015, 706715, 14275643, 71378215]

約数ペア:

[(1, 71378215), (5, 14275643), (101, 706715), (281, 254015), (503, 141905), (505, 141343), (1405, 50803), (2515, 28381)]