129031775

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 163800528

約数和(自身を除く): 34768753

約数列:

[1, 5, 25, 61, 211, 305, 401, 1055, 1525, 2005, 5275, 10025, 12871, 24461, 64355, 84611, 122305, 321775, 423055, 611525, 2115275, 5161271, 25806355, 129031775]

約数ペア:

[(1, 129031775), (5, 25806355), (25, 5161271), (61, 2115275), (211, 611525), (305, 423055), (401, 321775), (1055, 122305), (1525, 84611), (2005, 64355), (5275, 24461), (10025, 12871)]