81097336

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 156574080

約数和(自身を除く): 75476744

約数列:

[1, 2, 4, 8, 67, 71, 134, 142, 268, 284, 536, 568, 2131, 4262, 4757, 8524, 9514, 17048, 19028, 38056, 142777, 151301, 285554, 302602, 571108, 605204, 1142216, 1210408, 10137167, 20274334, 40548668, 81097336]

約数ペア:

[(1, 81097336), (2, 40548668), (4, 20274334), (8, 10137167), (67, 1210408), (71, 1142216), (134, 605204), (142, 571108), (268, 302602), (284, 285554), (536, 151301), (568, 142777), (2131, 38056), (4262, 19028), (4757, 17048), (8524, 9514)]