291226745

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^2\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 383559660

約数和(自身を除く): 92332915

約数列:

[1, 5, 17, 43, 85, 109, 215, 289, 545, 731, 1445, 1849, 1853, 3655, 4687, 9245, 9265, 12427, 23435, 31433, 31501, 62135, 79679, 157165, 157505, 201541, 398395, 534361, 1007705, 1354543, 2671805, 3426197, 6772715, 17130985, 58245349, 291226745]

約数ペア:

[(1, 291226745), (5, 58245349), (17, 17130985), (43, 6772715), (85, 3426197), (109, 2671805), (215, 1354543), (289, 1007705), (545, 534361), (731, 398395), (1445, 201541), (1849, 157505), (1853, 157165), (3655, 79679), (4687, 62135), (9245, 31501), (9265, 31433), (12427, 23435)]