71987810

素因数分解:

$2^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{8747}}^1$

素因数の和:9577

約数の個数: 16

約数和(自身を含む): 129750336

約数和(自身を除く): 57762526

約数列:

[1, 2, 5, 10, 823, 1646, 4115, 8230, 8747, 17494, 43735, 87470, 7198781, 14397562, 35993905, 71987810]

約数ペア:

[(1, 71987810), (2, 35993905), (5, 14397562), (10, 7198781), (823, 87470), (1646, 43735), (4115, 17494), (8230, 8747)]