91289525

素因数分解:

$5^2\times {\mathrm{89}}^2\times {\mathrm{461}}^1$

素因数の和:649

約数の個数: 18

約数和(自身を含む): 114733542

約数和(自身を除く): 23444017

約数列:

[1, 5, 25, 89, 445, 461, 2225, 2305, 7921, 11525, 39605, 41029, 198025, 205145, 1025725, 3651581, 18257905, 91289525]

約数ペア:

[(1, 91289525), (5, 18257905), (25, 3651581), (89, 1025725), (445, 205145), (461, 198025), (2225, 41029), (2305, 39605), (7921, 11525)]