81143804

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{4099}}^1$

素因数の和:4218

約数の個数: 36

約数和(自身を含む): 166861800

約数和(自身を除く): 85717996

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1414, 2828, 4099, 4949, 8198, 9898, 16396, 19796, 28693, 57386, 114772, 200851, 401702, 413999, 803404, 827998, 1655996, 2897993, 5795986, 11591972, 20285951, 40571902, 81143804]

約数ペア:

[(1, 81143804), (2, 40571902), (4, 20285951), (7, 11591972), (14, 5795986), (28, 2897993), (49, 1655996), (98, 827998), (101, 803404), (196, 413999), (202, 401702), (404, 200851), (707, 114772), (1414, 57386), (2828, 28693), (4099, 19796), (4949, 16396), (8198, 9898)]