1291297254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{2381}}^1$

素因数の和:2825

約数の個数: 64

約数和(自身を含む): 2953298880

約数和(自身を除く): 1662001626

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 409, 442, 663, 818, 1227, 1326, 2381, 2454, 4762, 5317, 6953, 7143, 10634, 13906, 14286, 15951, 20859, 30953, 31902, 40477, 41718, 61906, 80954, 90389, 92859, 121431, 180778, 185718, 242862, 271167, 526201, 542334, 973829, 1052402, 1578603, 1947658, 2921487, 3157206, 5842974, 12659777, 16555093, 25319554, 33110186, 37979331, 49665279, 75958662, 99330558, 215216209, 430432418, 645648627, 1291297254]

約数ペア:

[(1, 1291297254), (2, 645648627), (3, 430432418), (6, 215216209), (13, 99330558), (17, 75958662), (26, 49665279), (34, 37979331), (39, 33110186), (51, 25319554), (78, 16555093), (102, 12659777), (221, 5842974), (409, 3157206), (442, 2921487), (663, 1947658), (818, 1578603), (1227, 1052402), (1326, 973829), (2381, 542334), (2454, 526201), (4762, 271167), (5317, 242862), (6953, 185718), (7143, 180778), (10634, 121431), (13906, 92859), (14286, 90389), (15951, 80954), (20859, 61906), (30953, 41718), (31902, 40477)]