81117016

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{138899}}^1$

素因数の和:138978

約数の個数: 16

約数和(自身を含む): 154179000

約数和(自身を除く): 73061984

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 138899, 277798, 555596, 1111192, 10139627, 20279254, 40558508, 81117016]

約数ペア:

[(1, 81117016), (2, 40558508), (4, 20279254), (8, 10139627), (73, 1111192), (146, 555596), (292, 277798), (584, 138899)]