2011111985

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{81869}}^1$

素因数の和:81925

約数の個数: 16

約数和(自身を含む): 2564168400

約数和(自身を除く): 553056415

約数列:

[1, 5, 17, 85, 289, 1445, 4913, 24565, 81869, 409345, 1391773, 6958865, 23660141, 118300705, 402222397, 2011111985]

約数ペア:

[(1, 2011111985), (5, 402222397), (17, 118300705), (85, 23660141), (289, 6958865), (1445, 1391773), (4913, 409345), (24565, 81869)]