30961505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 40479912

約数和(自身を除く): 9518407

約数列:

[1, 5, 17, 43, 85, 197, 215, 731, 985, 1849, 3349, 3655, 8471, 9245, 16745, 31433, 42355, 144007, 157165, 364253, 720035, 1821265, 6192301, 30961505]

約数ペア:

[(1, 30961505), (5, 6192301), (17, 1821265), (43, 720035), (85, 364253), (197, 157165), (215, 144007), (731, 42355), (985, 31433), (1849, 16745), (3349, 9245), (3655, 8471)]