28809305

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6917}}^1$

素因数の和:6953

約数の個数: 24

約数和(自身を含む): 42587208

約数和(自身を除く): 13777903

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 6917, 34585, 48419, 117589, 242095, 338933, 587945, 823123, 1694665, 4115615, 5761861, 28809305]

約数ペア:

[(1, 28809305), (5, 5761861), (7, 4115615), (17, 1694665), (35, 823123), (49, 587945), (85, 338933), (119, 242095), (245, 117589), (595, 48419), (833, 34585), (4165, 6917)]