213457218

素因数分解:

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

素因数の和:2091

約数の個数: 48

約数和(自身を含む): 472752000

約数和(自身を除く): 259294782

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1369, 1443, 1999, 2738, 2886, 3998, 4107, 5997, 8214, 11994, 17797, 25987, 35594, 51974, 53391, 73963, 77961, 106782, 147926, 155922, 221889, 443778, 961519, 1923038, 2736631, 2884557, 5473262, 5769114, 8209893, 16419786, 35576203, 71152406, 106728609, 213457218]

約数ペア:

[(1, 213457218), (2, 106728609), (3, 71152406), (6, 35576203), (13, 16419786), (26, 8209893), (37, 5769114), (39, 5473262), (74, 2884557), (78, 2736631), (111, 1923038), (222, 961519), (481, 443778), (962, 221889), (1369, 155922), (1443, 147926), (1999, 106782), (2738, 77961), (2886, 73963), (3998, 53391), (4107, 51974), (5997, 35594), (8214, 25987), (11994, 17797)]