668812045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{3631}}^1$

素因数の和:3861

約数の個数: 32

約数和(自身を含む): 932000256

約数和(自身を除く): 263188211

約数列:

[1, 5, 11, 17, 55, 85, 187, 197, 935, 985, 2167, 3349, 3631, 10835, 16745, 18155, 36839, 39941, 61727, 184195, 199705, 308635, 678997, 715307, 3394985, 3576535, 7868377, 12160219, 39341885, 60801095, 133762409, 668812045]

約数ペア:

[(1, 668812045), (5, 133762409), (11, 60801095), (17, 39341885), (55, 12160219), (85, 7868377), (187, 3576535), (197, 3394985), (935, 715307), (985, 678997), (2167, 308635), (3349, 199705), (3631, 184195), (10835, 61727), (16745, 39941), (18155, 36839)]