28039128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 78704640

約数和(自身を除く): 50665512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 169, 186, 223, 248, 312, 338, 372, 403, 446, 507, 669, 676, 744, 806, 892, 1014, 1209, 1338, 1352, 1612, 1784, 2028, 2418, 2676, 2899, 3224, 4056, 4836, 5239, 5352, 5798, 6913, 8697, 9672, 10478, 11596, 13826, 15717, 17394, 20739, 20956, 23192, 27652, 31434, 34788, 37687, 41478, 41912, 55304, 62868, 69576, 75374, 82956, 89869, 113061, 125736, 150748, 165912, 179738, 226122, 269607, 301496, 359476, 452244, 539214, 718952, 904488, 1078428, 1168297, 2156856, 2336594, 3504891, 4673188, 7009782, 9346376, 14019564, 28039128]

約数ペア:

[(1, 28039128), (2, 14019564), (3, 9346376), (4, 7009782), (6, 4673188), (8, 3504891), (12, 2336594), (13, 2156856), (24, 1168297), (26, 1078428), (31, 904488), (39, 718952), (52, 539214), (62, 452244), (78, 359476), (93, 301496), (104, 269607), (124, 226122), (156, 179738), (169, 165912), (186, 150748), (223, 125736), (248, 113061), (312, 89869), (338, 82956), (372, 75374), (403, 69576), (446, 62868), (507, 55304), (669, 41912), (676, 41478), (744, 37687), (806, 34788), (892, 31434), (1014, 27652), (1209, 23192), (1338, 20956), (1352, 20739), (1612, 17394), (1784, 15717), (2028, 13826), (2418, 11596), (2676, 10478), (2899, 9672), (3224, 8697), (4056, 6913), (4836, 5798), (5239, 5352)]