201931578

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 446060160

約数和(自身を除く): 244128582

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 239, 438, 478, 643, 657, 717, 1286, 1314, 1434, 1929, 2151, 3858, 4302, 5787, 11574, 17447, 34894, 46939, 52341, 93878, 104682, 140817, 153677, 157023, 281634, 307354, 314046, 422451, 461031, 844902, 922062, 1383093, 2766186, 11218421, 22436842, 33655263, 67310526, 100965789, 201931578]

約数ペア:

[(1, 201931578), (2, 100965789), (3, 67310526), (6, 33655263), (9, 22436842), (18, 11218421), (73, 2766186), (146, 1383093), (219, 922062), (239, 844902), (438, 461031), (478, 422451), (643, 314046), (657, 307354), (717, 281634), (1286, 157023), (1314, 153677), (1434, 140817), (1929, 104682), (2151, 93878), (3858, 52341), (4302, 46939), (5787, 34894), (11574, 17447)]