66872225

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2917}}^1$

素因数の和:3065

約数の個数: 24

約数和(自身を含む): 95523648

約数和(自身を除く): 28651423

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 917, 2917, 3275, 4585, 14585, 20419, 22925, 72925, 102095, 382127, 510475, 1910635, 2674889, 9553175, 13374445, 66872225]

約数ペア:

[(1, 66872225), (5, 13374445), (7, 9553175), (25, 2674889), (35, 1910635), (131, 510475), (175, 382127), (655, 102095), (917, 72925), (2917, 22925), (3275, 20419), (4585, 14585)]