289736942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{185491}}^1$

素因数の和:185575

約数の個数: 16

約数和(自身を含む): 480795264

約数和(自身を除く): 191058322

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 185491, 370982, 2040401, 4080802, 13169861, 26339722, 144868471, 289736942]

約数ペア:

[(1, 289736942), (2, 144868471), (11, 26339722), (22, 13169861), (71, 4080802), (142, 2040401), (781, 370982), (1562, 185491)]