639226768

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{677147}}^1$

素因数の和:677214

約数の個数: 20

約数和(自身を含む): 1259495280

約数和(自身を除く): 620268512

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 677147, 1354294, 2708588, 5417176, 10834352, 39951673, 79903346, 159806692, 319613384, 639226768]

約数ペア:

[(1, 639226768), (2, 319613384), (4, 159806692), (8, 79903346), (16, 39951673), (59, 10834352), (118, 5417176), (236, 2708588), (472, 1354294), (944, 677147)]