220123777

素因数分解:

${\mathrm{23}}^2\times {\mathrm{31}}^2\times {\mathrm{433}}^1$

素因数の和:541

約数の個数: 18

約数和(自身を含む): 238321986

約数和(自身を除く): 18198209

約数列:

[1, 23, 31, 433, 529, 713, 961, 9959, 13423, 16399, 22103, 229057, 308729, 416113, 508369, 7100767, 9570599, 220123777]

約数ペア:

[(1, 220123777), (23, 9570599), (31, 7100767), (433, 508369), (529, 416113), (713, 308729), (961, 229057), (9959, 22103), (13423, 16399)]