81551516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{3083}}^1$

素因数の和:3493

約数の個数: 24

約数和(自身を含む): 151547760

約数和(自身を除く): 69996244

約数列:

[1, 2, 4, 17, 34, 68, 389, 778, 1556, 3083, 6166, 6613, 12332, 13226, 26452, 52411, 104822, 209644, 1199287, 2398574, 4797148, 20387879, 40775758, 81551516]

約数ペア:

[(1, 81551516), (2, 40775758), (4, 20387879), (17, 4797148), (34, 2398574), (68, 1199287), (389, 209644), (778, 104822), (1556, 52411), (3083, 26452), (6166, 13226), (6613, 12332)]