129255145

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{4091}}^1$

素因数の和:4256

約数の個数: 16

約数和(自身を含む): 159096960

約数和(自身を除く): 29841815

約数列:

[1, 5, 71, 89, 355, 445, 4091, 6319, 20455, 31595, 290461, 364099, 1452305, 1820495, 25851029, 129255145]

約数ペア:

[(1, 129255145), (5, 25851029), (71, 1820495), (89, 1452305), (355, 364099), (445, 290461), (4091, 31595), (6319, 20455)]