189790888

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{72109}}^1$

素因数の和:72169

約数の個数: 32

約数和(自身を含む): 415353600

約数和(自身を除く): 225562712

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 72109, 144218, 288436, 504763, 576872, 1009526, 2019052, 3389123, 4038104, 6778246, 13556492, 23723861, 27112984, 47447722, 94895444, 189790888]

約数ペア:

[(1, 189790888), (2, 94895444), (4, 47447722), (7, 27112984), (8, 23723861), (14, 13556492), (28, 6778246), (47, 4038104), (56, 3389123), (94, 2019052), (188, 1009526), (329, 576872), (376, 504763), (658, 288436), (1316, 144218), (2632, 72109)]