1390744

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 2621520

約数和(自身を除く): 1230776

約数列:

[1, 2, 4, 8, 263, 526, 661, 1052, 1322, 2104, 2644, 5288, 173843, 347686, 695372, 1390744]

約数ペア:

[(1, 1390744), (2, 695372), (4, 347686), (8, 173843), (263, 5288), (526, 2644), (661, 2104), (1052, 1322)]