9981776

素因数分解:

$2^4\times 7^1\times {\mathrm{89123}}^1$

素因数の和:89138

約数の個数: 20

約数和(自身を含む): 22102752

約数和(自身を除く): 12120976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 89123, 178246, 356492, 623861, 712984, 1247722, 1425968, 2495444, 4990888, 9981776]

約数ペア:

[(1, 9981776), (2, 4990888), (4, 2495444), (7, 1425968), (8, 1247722), (14, 712984), (16, 623861), (28, 356492), (56, 178246), (112, 89123)]