40619397

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 72253440

約数和(自身を除く): 31634043

約数列:

[1, 3, 7, 13, 19, 21, 39, 41, 57, 91, 123, 133, 191, 247, 273, 287, 399, 533, 573, 741, 779, 861, 1337, 1599, 1729, 2337, 2483, 3629, 3731, 4011, 5187, 5453, 7449, 7831, 10127, 10887, 11193, 16359, 17381, 23493, 25403, 30381, 47177, 52143, 54817, 70889, 76209, 101803, 141531, 148789, 164451, 212667, 305409, 330239, 446367, 712621, 990717, 1041523, 1934257, 2137863, 3124569, 5802771, 13539799, 40619397]

約数ペア:

[(1, 40619397), (3, 13539799), (7, 5802771), (13, 3124569), (19, 2137863), (21, 1934257), (39, 1041523), (41, 990717), (57, 712621), (91, 446367), (123, 330239), (133, 305409), (191, 212667), (247, 164451), (273, 148789), (287, 141531), (399, 101803), (533, 76209), (573, 70889), (741, 54817), (779, 52143), (861, 47177), (1337, 30381), (1599, 25403), (1729, 23493), (2337, 17381), (2483, 16359), (3629, 11193), (3731, 10887), (4011, 10127), (5187, 7831), (5453, 7449)]