28721376

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{3217}}^1$

素因数の和:3264

約数の個数: 72

約数和(自身を含む): 84337344

約数和(自身を除く): 55615968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 3217, 4464, 6434, 8928, 9651, 12868, 19302, 25736, 28953, 38604, 51472, 57906, 77208, 99727, 102944, 115812, 154416, 199454, 231624, 299181, 308832, 398908, 463248, 598362, 797816, 897543, 926496, 1196724, 1595632, 1795086, 2393448, 3191264, 3590172, 4786896, 7180344, 9573792, 14360688, 28721376]

約数ペア:

[(1, 28721376), (2, 14360688), (3, 9573792), (4, 7180344), (6, 4786896), (8, 3590172), (9, 3191264), (12, 2393448), (16, 1795086), (18, 1595632), (24, 1196724), (31, 926496), (32, 897543), (36, 797816), (48, 598362), (62, 463248), (72, 398908), (93, 308832), (96, 299181), (124, 231624), (144, 199454), (186, 154416), (248, 115812), (279, 102944), (288, 99727), (372, 77208), (496, 57906), (558, 51472), (744, 38604), (992, 28953), (1116, 25736), (1488, 19302), (2232, 12868), (2976, 9651), (3217, 8928), (4464, 6434)]