2178889707

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{190579}}^1$

素因数の和:190722

約数の個数: 16

約数和(自身を含む): 3012688640

約数和(自身を除く): 833798933

約数列:

[1, 3, 37, 103, 111, 309, 3811, 11433, 190579, 571737, 7051423, 19629637, 21154269, 58888911, 726296569, 2178889707]

約数ペア:

[(1, 2178889707), (3, 726296569), (37, 58888911), (103, 21154269), (111, 19629637), (309, 7051423), (3811, 571737), (11433, 190579)]