311301475

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{967}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 393704960

約数和(自身を除く): 82403485

約数列:

[1, 5, 25, 79, 163, 395, 815, 967, 1975, 4075, 4835, 12877, 24175, 64385, 76393, 157621, 321925, 381965, 788105, 1909825, 3940525, 12452059, 62260295, 311301475]

約数ペア:

[(1, 311301475), (5, 62260295), (25, 12452059), (79, 3940525), (163, 1909825), (395, 788105), (815, 381965), (967, 321925), (1975, 157621), (4075, 76393), (4835, 64385), (12877, 24175)]