129772225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1051}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 176104800

約数和(自身を除く): 46332575

約数列:

[1, 5, 11, 25, 55, 275, 449, 1051, 2245, 4939, 5255, 11225, 11561, 24695, 26275, 57805, 123475, 289025, 471899, 2359495, 5190889, 11797475, 25954445, 129772225]

約数ペア:

[(1, 129772225), (5, 25954445), (11, 11797475), (25, 5190889), (55, 2359495), (275, 471899), (449, 289025), (1051, 123475), (2245, 57805), (4939, 26275), (5255, 24695), (11225, 11561)]