66608905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{6691}}^1$

素因数の和:6888

約数の個数: 16

約数和(自身を含む): 87691968

約数和(自身を除く): 21083063

約数列:

[1, 5, 11, 55, 181, 905, 1991, 6691, 9955, 33455, 73601, 368005, 1211071, 6055355, 13321781, 66608905]

約数ペア:

[(1, 66608905), (5, 13321781), (11, 6055355), (55, 1211071), (181, 368005), (905, 73601), (1991, 33455), (6691, 9955)]