12867988

素因数分解:

$2^2\times 7^3\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 26812800

約数和(自身を除く): 13944812

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 113, 166, 196, 226, 332, 343, 452, 581, 686, 791, 1162, 1372, 1582, 2324, 3164, 4067, 5537, 8134, 9379, 11074, 16268, 18758, 22148, 28469, 37516, 38759, 56938, 65653, 77518, 113876, 131306, 155036, 262612, 459571, 919142, 1838284, 3216997, 6433994, 12867988]

約数ペア:

[(1, 12867988), (2, 6433994), (4, 3216997), (7, 1838284), (14, 919142), (28, 459571), (49, 262612), (83, 155036), (98, 131306), (113, 113876), (166, 77518), (196, 65653), (226, 56938), (332, 38759), (343, 37516), (452, 28469), (581, 22148), (686, 18758), (791, 16268), (1162, 11074), (1372, 9379), (1582, 8134), (2324, 5537), (3164, 4067)]