289691441

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{7577}}^1$

素因数の和:7780

約数の個数: 16

約数和(自身を含む): 332280144

約数和(自身を除く): 42588703

約数列:

[1, 13, 17, 173, 221, 2249, 2941, 7577, 38233, 98501, 128809, 1310821, 1674517, 17040673, 22283957, 289691441]

約数ペア:

[(1, 289691441), (13, 22283957), (17, 17040673), (173, 1674517), (221, 1310821), (2249, 128809), (2941, 98501), (7577, 38233)]