81258476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{36341}}^1$

素因数の和:36401

約数の個数: 24

約数和(自身を含む): 156706704

約数和(自身を除く): 75448228

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 36341, 72682, 145364, 472433, 944866, 1562663, 1889732, 3125326, 6250652, 20314619, 40629238, 81258476]

約数ペア:

[(1, 81258476), (2, 40629238), (4, 20314619), (13, 6250652), (26, 3125326), (43, 1889732), (52, 1562663), (86, 944866), (172, 472433), (559, 145364), (1118, 72682), (2236, 36341)]