128991722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{24421}}^1$

素因数の和:24581

約数の個数: 16

約数和(自身を含む): 205144800

約数和(自身を除く): 76153078

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 24421, 48842, 463999, 927998, 3394519, 6789038, 64495861, 128991722]

約数ペア:

[(1, 128991722), (2, 64495861), (19, 6789038), (38, 3394519), (139, 927998), (278, 463999), (2641, 48842), (5282, 24421)]