399748977074

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{5471}}^1\times {\mathrm{1922813}}^1$

素因数の和:1928305

約数の個数: 16

約数和(自身を含む): 631298292480

約数和(自身を除く): 231549315406

約数列:

[1, 2, 19, 38, 5471, 10942, 103949, 207898, 1922813, 3845626, 36533447, 73066894, 10519709923, 21039419846, 199874488537, 399748977074]

約数ペア:

[(1, 399748977074), (2, 199874488537), (19, 21039419846), (38, 10519709923), (5471, 73066894), (10942, 36533447), (103949, 3845626), (207898, 1922813)]