99965992

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 230400000

約数和(自身を除く): 130434008

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 47, 56, 76, 94, 133, 152, 188, 266, 329, 376, 532, 658, 893, 1064, 1316, 1786, 1999, 2632, 3572, 3998, 6251, 7144, 7996, 12502, 13993, 15992, 25004, 27986, 37981, 50008, 55972, 75962, 93953, 111944, 151924, 187906, 265867, 303848, 375812, 531734, 657671, 751624, 1063468, 1315342, 1785107, 2126936, 2630684, 3570214, 5261368, 7140428, 12495749, 14280856, 24991498, 49982996, 99965992]

約数ペア:

[(1, 99965992), (2, 49982996), (4, 24991498), (7, 14280856), (8, 12495749), (14, 7140428), (19, 5261368), (28, 3570214), (38, 2630684), (47, 2126936), (56, 1785107), (76, 1315342), (94, 1063468), (133, 751624), (152, 657671), (188, 531734), (266, 375812), (329, 303848), (376, 265867), (532, 187906), (658, 151924), (893, 111944), (1064, 93953), (1316, 75962), (1786, 55972), (1999, 50008), (2632, 37981), (3572, 27986), (3998, 25004), (6251, 15992), (7144, 13993), (7996, 12502)]