389968231142

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1\times {\mathrm{354257}}^1$

素因数の和:355616

約数の個数: 32

約数和(自身を含む): 680005316160

約数和(自身を除く): 290037085018

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 1289, 2578, 9023, 18046, 78629, 157258, 354257, 550403, 708514, 1100806, 2479799, 4959598, 21609677, 43219354, 151267739, 302535478, 456637273, 913274546, 3196460911, 6392921822, 27854873653, 55709747306, 194984115571, 389968231142]

約数ペア:

[(1, 389968231142), (2, 194984115571), (7, 55709747306), (14, 27854873653), (61, 6392921822), (122, 3196460911), (427, 913274546), (854, 456637273), (1289, 302535478), (2578, 151267739), (9023, 43219354), (18046, 21609677), (78629, 4959598), (157258, 2479799), (354257, 1100806), (550403, 708514)]