28813554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20789}}^1$

素因数の和:20815

約数の個数: 48

約数和(自身を含む): 77837760

約数和(自身を除く): 49024206

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20789, 41578, 62367, 124734, 145523, 187101, 228679, 291046, 374202, 436569, 457358, 686037, 873138, 1309707, 1372074, 1600753, 2058111, 2619414, 3201506, 4116222, 4802259, 9604518, 14406777, 28813554]

約数ペア:

[(1, 28813554), (2, 14406777), (3, 9604518), (6, 4802259), (7, 4116222), (9, 3201506), (11, 2619414), (14, 2058111), (18, 1600753), (21, 1372074), (22, 1309707), (33, 873138), (42, 686037), (63, 457358), (66, 436569), (77, 374202), (99, 291046), (126, 228679), (154, 187101), (198, 145523), (231, 124734), (462, 62367), (693, 41578), (1386, 20789)]