1289111428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1\times {\mathrm{1997}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 2610123264

約数和(自身を除く): 1321011836

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 863, 1726, 1997, 3452, 3994, 7988, 9493, 14671, 18986, 21967, 29342, 33949, 37972, 43934, 58684, 67898, 87868, 135796, 161381, 322762, 373439, 645524, 746878, 1493756, 1723411, 3446822, 6893644, 18957521, 29297987, 37915042, 58595974, 75830084, 117191948, 322277857, 644555714, 1289111428]

約数ペア:

[(1, 1289111428), (2, 644555714), (4, 322277857), (11, 117191948), (17, 75830084), (22, 58595974), (34, 37915042), (44, 29297987), (68, 18957521), (187, 6893644), (374, 3446822), (748, 1723411), (863, 1493756), (1726, 746878), (1997, 645524), (3452, 373439), (3994, 322762), (7988, 161381), (9493, 135796), (14671, 87868), (18986, 67898), (21967, 58684), (29342, 43934), (33949, 37972)]