9997955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 32

約数和(自身を含む): 14281920

約数和(自身を除く): 4283965

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 289, 407, 629, 935, 1445, 2035, 3145, 3179, 4913, 6919, 10693, 15895, 24565, 34595, 53465, 54043, 117623, 181781, 270215, 588115, 908905, 1999591, 9997955]

約数ペア:

[(1, 9997955), (5, 1999591), (11, 908905), (17, 588115), (37, 270215), (55, 181781), (85, 117623), (185, 54043), (187, 53465), (289, 34595), (407, 24565), (629, 15895), (935, 10693), (1445, 6919), (2035, 4913), (3145, 3179)]