81495652

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{93889}}^1$

素因数の和:93931

約数の個数: 24

約数和(自身を含む): 168250880

約数和(自身を除く): 86755228

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 93889, 187778, 375556, 657223, 1314446, 2628892, 2910559, 5821118, 11642236, 20373913, 40747826, 81495652]

約数ペア:

[(1, 81495652), (2, 40747826), (4, 20373913), (7, 11642236), (14, 5821118), (28, 2910559), (31, 2628892), (62, 1314446), (124, 657223), (217, 375556), (434, 187778), (868, 93889)]