81314825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{653}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 107290008

約数和(自身を除く): 25975183

約数列:

[1, 5, 17, 25, 85, 293, 425, 653, 1465, 3265, 4981, 7325, 11101, 16325, 24905, 55505, 124525, 191329, 277525, 956645, 3252593, 4783225, 16262965, 81314825]

約数ペア:

[(1, 81314825), (5, 16262965), (17, 4783225), (25, 3252593), (85, 956645), (293, 277525), (425, 191329), (653, 124525), (1465, 55505), (3265, 24905), (4981, 16325), (7325, 11101)]