1821981685

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{106331}}^1$

素因数の和:106508

約数の個数: 16

約数和(自身を含む): 2296771200

約数和(自身を除く): 474789515

約数列:

[1, 5, 23, 115, 149, 745, 3427, 17135, 106331, 531655, 2445613, 12228065, 15843319, 79216595, 364396337, 1821981685]

約数ペア:

[(1, 1821981685), (5, 364396337), (23, 79216595), (115, 15843319), (149, 12228065), (745, 2445613), (3427, 531655), (17135, 106331)]