678671400002

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{343109909}}^1$

素因数の和:343109977

約数の個数: 16

約数和(自身を含む): 1086972194880

約数和(自身を除く): 408300794878

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 343109909, 686219818, 7891527907, 14753726087, 15783055814, 29507452174, 339335700001, 678671400002]

約数ペア:

[(1, 678671400002), (2, 339335700001), (23, 29507452174), (43, 15783055814), (46, 14753726087), (86, 7891527907), (989, 686219818), (1978, 343109909)]