156511987

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{643}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 172488960

約数和(自身を除く): 15976973

約数列:

[1, 19, 23, 437, 557, 643, 10583, 12217, 12811, 14789, 243409, 280991, 358151, 6804869, 8237473, 156511987]

約数ペア:

[(1, 156511987), (19, 8237473), (23, 6804869), (437, 358151), (557, 280991), (643, 243409), (10583, 14789), (12217, 12811)]