25285372

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 55157760

約数和(自身を除く): 29872388

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 71, 79, 92, 98, 142, 158, 161, 196, 284, 316, 322, 497, 553, 644, 994, 1106, 1127, 1633, 1817, 1988, 2212, 2254, 3266, 3479, 3634, 3871, 4508, 5609, 6532, 6958, 7268, 7742, 11218, 11431, 12719, 13916, 15484, 22436, 22862, 25438, 39263, 45724, 50876, 78526, 80017, 89033, 129007, 157052, 160034, 178066, 258014, 274841, 320068, 356132, 516028, 549682, 903049, 1099364, 1806098, 3612196, 6321343, 12642686, 25285372]

約数ペア:

[(1, 25285372), (2, 12642686), (4, 6321343), (7, 3612196), (14, 1806098), (23, 1099364), (28, 903049), (46, 549682), (49, 516028), (71, 356132), (79, 320068), (92, 274841), (98, 258014), (142, 178066), (158, 160034), (161, 157052), (196, 129007), (284, 89033), (316, 80017), (322, 78526), (497, 50876), (553, 45724), (644, 39263), (994, 25438), (1106, 22862), (1127, 22436), (1633, 15484), (1817, 13916), (1988, 12719), (2212, 11431), (2254, 11218), (3266, 7742), (3479, 7268), (3634, 6958), (3871, 6532), (4508, 5609)]