210912715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{4001}}^1$

素因数の和:4830

約数の個数: 16

約数和(自身を含む): 272968416

約数和(自身を除く): 62055701

約数列:

[1, 5, 13, 65, 811, 4001, 4055, 10543, 20005, 52013, 52715, 260065, 3244811, 16224055, 42182543, 210912715]

約数ペア:

[(1, 210912715), (5, 42182543), (13, 16224055), (65, 3244811), (811, 260065), (4001, 52715), (4055, 52013), (10543, 20005)]