20965520859097

素因数分解:

${\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{240371}}^1\times {\mathrm{17921}}^1$

素因数の和:258480

約数の個数: 16

約数和(自身を含む): 21780979951104

約数和(自身を除く): 815459092007

約数列:

[1, 31, 157, 4867, 17921, 240371, 555551, 2813597, 7451501, 37738247, 87221507, 1169885657, 4307688691, 133538349421, 676307124487, 20965520859097]

約数ペア:

[(1, 20965520859097), (31, 676307124487), (157, 133538349421), (4867, 4307688691), (17921, 1169885657), (240371, 87221507), (555551, 37738247), (2813597, 7451501)]