39800426

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{2347}}^1$

素因数の和:2549

約数の個数: 16

約数和(自身を含む): 61141920

約数和(自身を除く): 21341494

約数列:

[1, 2, 61, 122, 139, 278, 2347, 4694, 8479, 16958, 143167, 286334, 326233, 652466, 19900213, 39800426]

約数ペア:

[(1, 39800426), (2, 19900213), (61, 652466), (122, 326233), (139, 286334), (278, 143167), (2347, 16958), (4694, 8479)]