1401640984

素因数分解:

$2^3\times {\mathrm{691}}^1\times {\mathrm{253553}}^1$

素因数の和:254250

約数の個数: 16

約数和(自身を含む): 2631890520

約数和(自身を除く): 1230249536

約数列:

[1, 2, 4, 8, 691, 1382, 2764, 5528, 253553, 507106, 1014212, 2028424, 175205123, 350410246, 700820492, 1401640984]

約数ペア:

[(1, 1401640984), (2, 700820492), (4, 350410246), (8, 175205123), (691, 2028424), (1382, 1014212), (2764, 507106), (5528, 253553)]