67908890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20641}}^1$

素因数の和:20702

約数の個数: 32

約数和(自身を含む): 142677504

約数和(自身を除く): 74768614

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 20641, 41282, 103205, 144487, 206410, 288974, 722435, 970127, 1444870, 1940254, 4850635, 6790889, 9701270, 13581778, 33954445, 67908890]

約数ペア:

[(1, 67908890), (2, 33954445), (5, 13581778), (7, 9701270), (10, 6790889), (14, 4850635), (35, 1940254), (47, 1444870), (70, 970127), (94, 722435), (235, 288974), (329, 206410), (470, 144487), (658, 103205), (1645, 41282), (3290, 20641)]