128564788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 254185344

約数和(自身を除く): 125620556

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 157, 314, 407, 503, 628, 814, 1006, 1628, 1727, 2012, 3454, 5533, 5809, 6908, 11066, 11618, 18611, 22132, 23236, 37222, 63899, 74444, 78971, 127798, 157942, 204721, 255596, 315884, 409442, 818884, 868681, 1737362, 2921927, 3474724, 5843854, 11687708, 32141197, 64282394, 128564788]

約数ペア:

[(1, 128564788), (2, 64282394), (4, 32141197), (11, 11687708), (22, 5843854), (37, 3474724), (44, 2921927), (74, 1737362), (148, 868681), (157, 818884), (314, 409442), (407, 315884), (503, 255596), (628, 204721), (814, 157942), (1006, 127798), (1628, 78971), (1727, 74444), (2012, 63899), (3454, 37222), (5533, 23236), (5809, 22132), (6908, 18611), (11066, 11618)]