71581390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3863}}^1$

素因数の和:3996

約数の個数: 32

約数和(自身を含む): 137712960

約数和(自身を除く): 66131570

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 3863, 7726, 9265, 18530, 19315, 38630, 65671, 131342, 328355, 421067, 656710, 842134, 2105335, 4210670, 7158139, 14316278, 35790695, 71581390]

約数ペア:

[(1, 71581390), (2, 35790695), (5, 14316278), (10, 7158139), (17, 4210670), (34, 2105335), (85, 842134), (109, 656710), (170, 421067), (218, 328355), (545, 131342), (1090, 65671), (1853, 38630), (3706, 19315), (3863, 18530), (7726, 9265)]