71866039

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2154

約数の個数: 16

約数和(自身を含む): 84587328

約数和(自身を除く): 12721289

約数列:

[1, 7, 53, 97, 371, 679, 1997, 5141, 13979, 35987, 105841, 193709, 740887, 1355963, 10266577, 71866039]

約数ペア:

[(1, 71866039), (7, 10266577), (53, 1355963), (97, 740887), (371, 193709), (679, 105841), (1997, 35987), (5141, 13979)]