257298216

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1015

約数の個数: 96

約数和(自身を含む): 751661280

約数和(自身を除く): 494363064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 331, 392, 588, 661, 662, 993, 1176, 1322, 1324, 1983, 1986, 2317, 2644, 2648, 3966, 3972, 4627, 4634, 5288, 6951, 7932, 7944, 9254, 9268, 13881, 13902, 15864, 16219, 18508, 18536, 27762, 27804, 32389, 32438, 37016, 48657, 55524, 55608, 64778, 64876, 97167, 97314, 111048, 129556, 129752, 194334, 194628, 218791, 259112, 388668, 389256, 437582, 656373, 777336, 875164, 1312746, 1531537, 1750328, 2625492, 3063074, 4594611, 5250984, 6126148, 9189222, 10720759, 12252296, 18378444, 21441518, 32162277, 36756888, 42883036, 64324554, 85766072, 128649108, 257298216]

約数ペア:

[(1, 257298216), (2, 128649108), (3, 85766072), (4, 64324554), (6, 42883036), (7, 36756888), (8, 32162277), (12, 21441518), (14, 18378444), (21, 12252296), (24, 10720759), (28, 9189222), (42, 6126148), (49, 5250984), (56, 4594611), (84, 3063074), (98, 2625492), (147, 1750328), (168, 1531537), (196, 1312746), (294, 875164), (331, 777336), (392, 656373), (588, 437582), (661, 389256), (662, 388668), (993, 259112), (1176, 218791), (1322, 194628), (1324, 194334), (1983, 129752), (1986, 129556), (2317, 111048), (2644, 97314), (2648, 97167), (3966, 64876), (3972, 64778), (4627, 55608), (4634, 55524), (5288, 48657), (6951, 37016), (7932, 32438), (7944, 32389), (9254, 27804), (9268, 27762), (13881, 18536), (13902, 18508), (15864, 16219)]