868686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 2247168

約数和(自身を除く): 1378482

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 43, 74, 78, 86, 91, 111, 129, 182, 222, 258, 259, 273, 301, 481, 518, 546, 559, 602, 777, 903, 962, 1118, 1443, 1554, 1591, 1677, 1806, 2886, 3182, 3354, 3367, 3913, 4773, 6734, 7826, 9546, 10101, 11137, 11739, 20202, 20683, 22274, 23478, 33411, 41366, 62049, 66822, 124098, 144781, 289562, 434343, 868686]

約数ペア:

[(1, 868686), (2, 434343), (3, 289562), (6, 144781), (7, 124098), (13, 66822), (14, 62049), (21, 41366), (26, 33411), (37, 23478), (39, 22274), (42, 20683), (43, 20202), (74, 11739), (78, 11137), (86, 10101), (91, 9546), (111, 7826), (129, 6734), (182, 4773), (222, 3913), (258, 3367), (259, 3354), (273, 3182), (301, 2886), (481, 1806), (518, 1677), (546, 1591), (559, 1554), (602, 1443), (777, 1118), (903, 962)]