2116747664

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{671557}}^1$

素因数の和:671762

約数の個数: 20

約数和(自身を含む): 4122023004

約数和(自身を除く): 2005275340

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 671557, 1343114, 2686228, 5372456, 10744912, 132296729, 264593458, 529186916, 1058373832, 2116747664]

約数ペア:

[(1, 2116747664), (2, 1058373832), (4, 529186916), (8, 264593458), (16, 132296729), (197, 10744912), (394, 5372456), (788, 2686228), (1576, 1343114), (3152, 671557)]