81238666

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{1993}}^1$

素因数の和:2313

約数の個数: 16

約数和(自身を含む): 123827400

約数和(自身を除く): 42588734

約数列:

[1, 2, 89, 178, 229, 458, 1993, 3986, 20381, 40762, 177377, 354754, 456397, 912794, 40619333, 81238666]

約数ペア:

[(1, 81238666), (2, 40619333), (89, 912794), (178, 456397), (229, 354754), (458, 177377), (1993, 40762), (3986, 20381)]