1286512422

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{1999}}^1$

素因数の和:2277

約数の個数: 64

約数和(自身を含む): 2860032000

約数和(自身を除く): 1573519578

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 223, 446, 481, 669, 962, 1338, 1443, 1999, 2886, 2899, 3998, 5798, 5997, 8251, 8697, 11994, 16502, 17394, 24753, 25987, 49506, 51974, 73963, 77961, 107263, 147926, 155922, 214526, 221889, 321789, 443778, 445777, 643578, 891554, 961519, 1337331, 1923038, 2674662, 2884557, 5769114, 5795101, 11590202, 16493749, 17385303, 32987498, 34770606, 49481247, 98962494, 214418737, 428837474, 643256211, 1286512422]

約数ペア:

[(1, 1286512422), (2, 643256211), (3, 428837474), (6, 214418737), (13, 98962494), (26, 49481247), (37, 34770606), (39, 32987498), (74, 17385303), (78, 16493749), (111, 11590202), (222, 5795101), (223, 5769114), (446, 2884557), (481, 2674662), (669, 1923038), (962, 1337331), (1338, 961519), (1443, 891554), (1999, 643578), (2886, 445777), (2899, 443778), (3998, 321789), (5798, 221889), (5997, 214526), (8251, 155922), (8697, 147926), (11994, 107263), (16502, 77961), (17394, 73963), (24753, 51974), (25987, 49506)]