1997006989672

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{12251}}^1\times {\mathrm{657289}}^1$

素因数の和:669577

約数の個数: 32

約数和(自身を含む): 3865496198400

約数和(自身を除く): 1868489208728

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 12251, 24502, 49004, 98008, 379781, 657289, 759562, 1314578, 1519124, 2629156, 3038248, 5258312, 20375959, 40751918, 81503836, 163007672, 8052447539, 16104895078, 32209790156, 64419580312, 249625873709, 499251747418, 998503494836, 1997006989672]

約数ペア:

[(1, 1997006989672), (2, 998503494836), (4, 499251747418), (8, 249625873709), (31, 64419580312), (62, 32209790156), (124, 16104895078), (248, 8052447539), (12251, 163007672), (24502, 81503836), (49004, 40751918), (98008, 20375959), (379781, 5258312), (657289, 3038248), (759562, 2629156), (1314578, 1519124)]