399542078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{97879}}^1$

素因数の和:98051

約数の個数: 16

約数和(自身を含む): 649531680

約数和(自身を除く): 249989602

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 97879, 195758, 1272427, 2544854, 15367003, 30734006, 199771039, 399542078]

約数ペア:

[(1, 399542078), (2, 199771039), (13, 30734006), (26, 15367003), (157, 2544854), (314, 1272427), (2041, 195758), (4082, 97879)]