81169862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{21149}}^1$

素因数の和:21271

約数の個数: 16

約数和(自身を含む): 129438000

約数和(自身を除く): 48268138

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 21149, 42298, 401831, 803662, 2136049, 4272098, 40584931, 81169862]

約数ペア:

[(1, 81169862), (2, 40584931), (19, 4272098), (38, 2136049), (101, 803662), (202, 401831), (1919, 42298), (3838, 21149)]