391387656

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{2971}}^1$

素因数の和:3490

約数の個数: 64

約数和(自身を含む): 1069920000

約数和(自身を除く): 678532344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 499, 998, 1497, 1996, 2971, 2994, 3992, 5489, 5942, 5988, 8913, 10978, 11884, 11976, 16467, 17826, 21956, 23768, 32681, 32934, 35652, 43912, 65362, 65868, 71304, 98043, 130724, 131736, 196086, 261448, 392172, 784344, 1482529, 2965058, 4447587, 5930116, 8895174, 11860232, 16307819, 17790348, 32615638, 35580696, 48923457, 65231276, 97846914, 130462552, 195693828, 391387656]

約数ペア:

[(1, 391387656), (2, 195693828), (3, 130462552), (4, 97846914), (6, 65231276), (8, 48923457), (11, 35580696), (12, 32615638), (22, 17790348), (24, 16307819), (33, 11860232), (44, 8895174), (66, 5930116), (88, 4447587), (132, 2965058), (264, 1482529), (499, 784344), (998, 392172), (1497, 261448), (1996, 196086), (2971, 131736), (2994, 130724), (3992, 98043), (5489, 71304), (5942, 65868), (5988, 65362), (8913, 43912), (10978, 35652), (11884, 32934), (11976, 32681), (16467, 23768), (17826, 21956)]