400243856

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{182593}}^1$

素因数の和:182738

約数の個数: 20

約数和(自身を含む): 781137132

約数和(自身を除く): 380893276

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 182593, 365186, 730372, 1460744, 2921488, 25015241, 50030482, 100060964, 200121928, 400243856]

約数ペア:

[(1, 400243856), (2, 200121928), (4, 100060964), (8, 50030482), (16, 25015241), (137, 2921488), (274, 1460744), (548, 730372), (1096, 365186), (2192, 182593)]