397495870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{54377}}^1$

素因数の和:54444

約数の個数: 32

約数和(自身を含む): 775212768

約数和(自身を除く): 377716898

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 54377, 108754, 271885, 543770, 924409, 1848818, 2338211, 4622045, 4676422, 9244090, 11691055, 23382110, 39749587, 79499174, 198747935, 397495870]

約数ペア:

[(1, 397495870), (2, 198747935), (5, 79499174), (10, 39749587), (17, 23382110), (34, 11691055), (43, 9244090), (85, 4676422), (86, 4622045), (170, 2338211), (215, 1848818), (430, 924409), (731, 543770), (1462, 271885), (3655, 108754), (7310, 54377)]