28801612

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6389}}^1$

素因数の和:6430

約数の個数: 36

約数和(自身を含む): 61190640

約数和(自身を除く): 32389028

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 6389, 12778, 25556, 44723, 89446, 146947, 178892, 293894, 313061, 587788, 626122, 1028629, 1252244, 2057258, 4114516, 7200403, 14400806, 28801612]

約数ペア:

[(1, 28801612), (2, 14400806), (4, 7200403), (7, 4114516), (14, 2057258), (23, 1252244), (28, 1028629), (46, 626122), (49, 587788), (92, 313061), (98, 293894), (161, 178892), (196, 146947), (322, 89446), (644, 44723), (1127, 25556), (2254, 12778), (4508, 6389)]