31661084

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{86981}}^1$

素因数の和:87005

約数の個数: 24

約数和(自身を含む): 68193888

約数和(自身を除く): 36532804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 86981, 173962, 347924, 608867, 1130753, 1217734, 2261506, 2435468, 4523012, 7915271, 15830542, 31661084]

約数ペア:

[(1, 31661084), (2, 15830542), (4, 7915271), (7, 4523012), (13, 2435468), (14, 2261506), (26, 1217734), (28, 1130753), (52, 608867), (91, 347924), (182, 173962), (364, 86981)]