81322878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3169}}^1$

素因数の和:3241

約数の個数: 64

約数和(自身を含む): 204503040

約数和(自身を除く): 123180162

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 91, 94, 141, 182, 273, 282, 329, 546, 611, 658, 987, 1222, 1833, 1974, 3169, 3666, 4277, 6338, 8554, 9507, 12831, 19014, 22183, 25662, 41197, 44366, 66549, 82394, 123591, 133098, 148943, 247182, 288379, 297886, 446829, 576758, 865137, 893658, 1042601, 1730274, 1936259, 2085202, 3127803, 3872518, 5808777, 6255606, 11617554, 13553813, 27107626, 40661439, 81322878]

約数ペア:

[(1, 81322878), (2, 40661439), (3, 27107626), (6, 13553813), (7, 11617554), (13, 6255606), (14, 5808777), (21, 3872518), (26, 3127803), (39, 2085202), (42, 1936259), (47, 1730274), (78, 1042601), (91, 893658), (94, 865137), (141, 576758), (182, 446829), (273, 297886), (282, 288379), (329, 247182), (546, 148943), (611, 133098), (658, 123591), (987, 82394), (1222, 66549), (1833, 44366), (1974, 41197), (3169, 25662), (3666, 22183), (4277, 19014), (6338, 12831), (8554, 9507)]