28966154

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 24812662

約数列:

[1, 2, 7, 14, 23, 46, 49, 71, 98, 142, 161, 181, 322, 362, 497, 994, 1127, 1267, 1633, 2254, 2534, 3266, 3479, 4163, 6958, 8326, 8869, 11431, 12851, 17738, 22862, 25702, 29141, 58282, 80017, 89957, 160034, 179914, 203987, 295573, 407974, 591146, 629699, 1259398, 2069011, 4138022, 14483077, 28966154]

約数ペア:

[(1, 28966154), (2, 14483077), (7, 4138022), (14, 2069011), (23, 1259398), (46, 629699), (49, 591146), (71, 407974), (98, 295573), (142, 203987), (161, 179914), (181, 160034), (322, 89957), (362, 80017), (497, 58282), (994, 29141), (1127, 25702), (1267, 22862), (1633, 17738), (2254, 12851), (2534, 11431), (3266, 8869), (3479, 8326), (4163, 6958)]