64057975

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 81423360

約数和(自身を除く): 17365385

約数列:

[1, 5, 25, 71, 151, 239, 355, 755, 1195, 1775, 3775, 5975, 10721, 16969, 36089, 53605, 84845, 180445, 268025, 424225, 902225, 2562319, 12811595, 64057975]

約数ペア:

[(1, 64057975), (5, 12811595), (25, 2562319), (71, 902225), (151, 424225), (239, 268025), (355, 180445), (755, 84845), (1195, 53605), (1775, 36089), (3775, 16969), (5975, 10721)]