74271275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17579}}^1$

素因数の和:17615

約数の個数: 18

約数和(自身を含む): 99731340

約数和(自身を除く): 25460065

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 17579, 87895, 228527, 439475, 1142635, 2970851, 5713175, 14854255, 74271275]

約数ペア:

[(1, 74271275), (5, 14854255), (13, 5713175), (25, 2970851), (65, 1142635), (169, 439475), (325, 228527), (845, 87895), (4225, 17579)]