81358015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{7949}}^1$

素因数の和:8066

約数の個数: 16

約数和(自身を含む): 103032000

約数和(自身を除く): 21673985

約数列:

[1, 5, 23, 89, 115, 445, 2047, 7949, 10235, 39745, 182827, 707461, 914135, 3537305, 16271603, 81358015]

約数ペア:

[(1, 81358015), (5, 16271603), (23, 3537305), (89, 914135), (115, 707461), (445, 182827), (2047, 39745), (7949, 10235)]