66481225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61843}}^1$

素因数の和:61896

約数の個数: 12

約数和(自身を含む): 84355216

約数和(自身を除く): 17873991

約数列:

[1, 5, 25, 43, 215, 1075, 61843, 309215, 1546075, 2659249, 13296245, 66481225]

約数ペア:

[(1, 66481225), (5, 13296245), (25, 2659249), (43, 1546075), (215, 309215), (1075, 61843)]