28640052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3919}}^1$

素因数の和:3965

約数の個数: 72

約数和(自身を含む): 85612800

約数和(自身を除く): 56972748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 3919, 7308, 7838, 11757, 15676, 23514, 27433, 35271, 47028, 54866, 70542, 82299, 109732, 113651, 141084, 164598, 227302, 246897, 329196, 340953, 454604, 493794, 681906, 795557, 987588, 1022859, 1363812, 1591114, 2045718, 2386671, 3182228, 4091436, 4773342, 7160013, 9546684, 14320026, 28640052]

約数ペア:

[(1, 28640052), (2, 14320026), (3, 9546684), (4, 7160013), (6, 4773342), (7, 4091436), (9, 3182228), (12, 2386671), (14, 2045718), (18, 1591114), (21, 1363812), (28, 1022859), (29, 987588), (36, 795557), (42, 681906), (58, 493794), (63, 454604), (84, 340953), (87, 329196), (116, 246897), (126, 227302), (174, 164598), (203, 141084), (252, 113651), (261, 109732), (348, 82299), (406, 70542), (522, 54866), (609, 47028), (812, 35271), (1044, 27433), (1218, 23514), (1827, 15676), (2436, 11757), (3654, 7838), (3919, 7308)]