291194870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{12503}}^1$

素因数の和:12664

約数の個数: 32

約数和(自身を含む): 559078848

約数和(自身を除く): 267883978

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 1370, 2329, 4658, 11645, 12503, 23290, 25006, 62515, 125030, 212551, 425102, 1062755, 1712911, 2125510, 3425822, 8564555, 17129110, 29119487, 58238974, 145597435, 291194870]

約数ペア:

[(1, 291194870), (2, 145597435), (5, 58238974), (10, 29119487), (17, 17129110), (34, 8564555), (85, 3425822), (137, 2125510), (170, 1712911), (274, 1062755), (685, 425102), (1370, 212551), (2329, 125030), (4658, 62515), (11645, 25006), (12503, 23290)]