128876272

素因数分解:

$2^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1847}}^1$

素因数の和:1958

約数の個数: 60

約数和(自身を含む): 293887440

約数和(自身を除く): 165011168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 356, 392, 623, 712, 784, 1246, 1424, 1847, 2492, 3694, 4361, 4984, 7388, 8722, 9968, 12929, 14776, 17444, 25858, 29552, 34888, 51716, 69776, 90503, 103432, 164383, 181006, 206864, 328766, 362012, 657532, 724024, 1150681, 1315064, 1448048, 2301362, 2630128, 4602724, 8054767, 9205448, 16109534, 18410896, 32219068, 64438136, 128876272]

約数ペア:

[(1, 128876272), (2, 64438136), (4, 32219068), (7, 18410896), (8, 16109534), (14, 9205448), (16, 8054767), (28, 4602724), (49, 2630128), (56, 2301362), (89, 1448048), (98, 1315064), (112, 1150681), (178, 724024), (196, 657532), (356, 362012), (392, 328766), (623, 206864), (712, 181006), (784, 164383), (1246, 103432), (1424, 90503), (1847, 69776), (2492, 51716), (3694, 34888), (4361, 29552), (4984, 25858), (7388, 17444), (8722, 14776), (9968, 12929)]