220125983

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 284560416

約数和(自身を除く): 64434433

約数列:

[1, 7, 11, 49, 77, 121, 137, 271, 539, 847, 959, 1507, 1897, 2981, 5929, 6713, 10549, 13279, 16577, 20867, 32791, 37127, 73843, 116039, 146069, 229537, 259889, 408397, 812273, 1606759, 1819223, 2858779, 4492367, 20011453, 31446569, 220125983]

約数ペア:

[(1, 220125983), (7, 31446569), (11, 20011453), (49, 4492367), (77, 2858779), (121, 1819223), (137, 1606759), (271, 812273), (539, 408397), (847, 259889), (959, 229537), (1507, 146069), (1897, 116039), (2981, 73843), (5929, 37127), (6713, 32791), (10549, 20867), (13279, 16577)]