68021947

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2207}}^1$

素因数の和:2275

約数の個数: 24

約数和(自身を含む): 86085504

約数和(自身を除く): 18063557

約数列:

[1, 7, 17, 37, 49, 119, 259, 629, 833, 1813, 2207, 4403, 15449, 30821, 37519, 81659, 108143, 262633, 571613, 1388203, 1838431, 4001291, 9717421, 68021947]

約数ペア:

[(1, 68021947), (7, 9717421), (17, 4001291), (37, 1838431), (49, 1388203), (119, 571613), (259, 262633), (629, 108143), (833, 81659), (1813, 37519), (2207, 30821), (4403, 15449)]