28115850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{26777}}^1$

素因数の和:26799

約数の個数: 48

約数和(自身を含む): 79691328

約数和(自身を除く): 51575478

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 26777, 53554, 80331, 133885, 160662, 187439, 267770, 374878, 401655, 562317, 669425, 803310, 937195, 1124634, 1338850, 1874390, 2008275, 2811585, 4016550, 4685975, 5623170, 9371950, 14057925, 28115850]

約数ペア:

[(1, 28115850), (2, 14057925), (3, 9371950), (5, 5623170), (6, 4685975), (7, 4016550), (10, 2811585), (14, 2008275), (15, 1874390), (21, 1338850), (25, 1124634), (30, 937195), (35, 803310), (42, 669425), (50, 562317), (70, 401655), (75, 374878), (105, 267770), (150, 187439), (175, 160662), (210, 133885), (350, 80331), (525, 53554), (1050, 26777)]