68215861

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 81600768

約数和(自身を除く): 13384907

約数列:

[1, 7, 23, 161, 641, 661, 4487, 4627, 14743, 15203, 103201, 106421, 423701, 2965907, 9745123, 68215861]

約数ペア:

[(1, 68215861), (7, 9745123), (23, 2965907), (161, 423701), (641, 106421), (661, 103201), (4487, 15203), (4627, 14743)]