128629025

素因数分解:

$5^2\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1223}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 182738304

約数和(自身を除く): 54109279

約数列:

[1, 5, 7, 25, 35, 175, 601, 1223, 3005, 4207, 6115, 8561, 15025, 21035, 30575, 42805, 105175, 214025, 735023, 3675115, 5145161, 18375575, 25725805, 128629025]

約数ペア:

[(1, 128629025), (5, 25725805), (7, 18375575), (25, 5145161), (35, 3675115), (175, 735023), (601, 214025), (1223, 105175), (3005, 42805), (4207, 30575), (6115, 21035), (8561, 15025)]