161661394018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137233781}}^1$

素因数の和:137233833

約数の個数: 16

約数和(自身を含む): 263488861440

約数和(自身を除く): 101827467422

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 137233781, 274467562, 2607441839, 4254247211, 5214883678, 8508494422, 80830697009, 161661394018]

約数ペア:

[(1, 161661394018), (2, 80830697009), (19, 8508494422), (31, 5214883678), (38, 4254247211), (62, 2607441839), (589, 274467562), (1178, 137233781)]