82720825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1291}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 112466016

約数和(自身を除く): 29745191

約数列:

[1, 5, 11, 25, 55, 233, 275, 1165, 1291, 2563, 5825, 6455, 12815, 14201, 32275, 64075, 71005, 300803, 355025, 1504015, 3308833, 7520075, 16544165, 82720825]

約数ペア:

[(1, 82720825), (5, 16544165), (11, 7520075), (25, 3308833), (55, 1504015), (233, 355025), (275, 300803), (1165, 71005), (1291, 64075), (2563, 32275), (5825, 14201), (6455, 12815)]