66280025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22279}}^1$

素因数の和:22313

約数の個数: 24

約数和(自身を含む): 99457920

約数和(自身を除く): 33177895

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 22279, 111395, 155953, 378743, 556975, 779765, 1893715, 2651201, 3898825, 9468575, 13256005, 66280025]

約数ペア:

[(1, 66280025), (5, 13256005), (7, 9468575), (17, 3898825), (25, 2651201), (35, 1893715), (85, 779765), (119, 556975), (175, 378743), (425, 155953), (595, 111395), (2975, 22279)]