397156669

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1723}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 521337600

約数和(自身を除く): 124180931

約数列:

[1, 7, 13, 17, 91, 119, 149, 221, 1043, 1547, 1723, 1937, 2533, 12061, 13559, 17731, 22399, 29291, 32929, 156793, 205037, 230503, 256727, 380783, 1797089, 2665481, 3337451, 4364359, 23362157, 30550513, 56736667, 397156669]

約数ペア:

[(1, 397156669), (7, 56736667), (13, 30550513), (17, 23362157), (91, 4364359), (119, 3337451), (149, 2665481), (221, 1797089), (1043, 380783), (1547, 256727), (1723, 230503), (1937, 205037), (2533, 156793), (12061, 32929), (13559, 29291), (17731, 22399)]