28975912

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 66211200

約数和(自身を除く): 37235288

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 113, 133, 152, 226, 241, 266, 452, 482, 532, 791, 904, 964, 1064, 1582, 1687, 1928, 2147, 3164, 3374, 4294, 4579, 6328, 6748, 8588, 9158, 13496, 15029, 17176, 18316, 27233, 30058, 32053, 36632, 54466, 60116, 64106, 108932, 120232, 128212, 190631, 217864, 256424, 381262, 517427, 762524, 1034854, 1525048, 2069708, 3621989, 4139416, 7243978, 14487956, 28975912]

約数ペア:

[(1, 28975912), (2, 14487956), (4, 7243978), (7, 4139416), (8, 3621989), (14, 2069708), (19, 1525048), (28, 1034854), (38, 762524), (56, 517427), (76, 381262), (113, 256424), (133, 217864), (152, 190631), (226, 128212), (241, 120232), (266, 108932), (452, 64106), (482, 60116), (532, 54466), (791, 36632), (904, 32053), (964, 30058), (1064, 27233), (1582, 18316), (1687, 17176), (1928, 15029), (2147, 13496), (3164, 9158), (3374, 8588), (4294, 6748), (4579, 6328)]