28613886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1613

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 43270914

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 161, 266, 322, 399, 437, 483, 798, 874, 966, 1311, 1559, 2622, 3059, 3118, 4677, 6118, 9177, 9354, 10913, 18354, 21826, 29621, 32739, 35857, 59242, 65478, 71714, 88863, 107571, 177726, 207347, 215142, 250999, 414694, 501998, 622041, 681283, 752997, 1244082, 1362566, 1505994, 2043849, 4087698, 4768981, 9537962, 14306943, 28613886]

約数ペア:

[(1, 28613886), (2, 14306943), (3, 9537962), (6, 4768981), (7, 4087698), (14, 2043849), (19, 1505994), (21, 1362566), (23, 1244082), (38, 752997), (42, 681283), (46, 622041), (57, 501998), (69, 414694), (114, 250999), (133, 215142), (138, 207347), (161, 177726), (266, 107571), (322, 88863), (399, 71714), (437, 65478), (483, 59242), (798, 35857), (874, 32739), (966, 29621), (1311, 21826), (1559, 18354), (2622, 10913), (3059, 9354), (3118, 9177), (4677, 6118)]