1990332911

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{2081}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 2349745200

約数和(自身を除く): 359412289

約数列:

[1, 7, 49, 131, 149, 917, 1043, 2081, 6419, 7301, 14567, 19519, 101969, 136633, 272611, 310069, 956431, 1908277, 2170483, 13357939, 15193381, 40619039, 284333273, 1990332911]

約数ペア:

[(1, 1990332911), (7, 284333273), (49, 40619039), (131, 15193381), (149, 13357939), (917, 2170483), (1043, 1908277), (2081, 956431), (6419, 310069), (7301, 272611), (14567, 136633), (19519, 101969)]