221225855

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{4019}}^1$

素因数の和:4234

約数の個数: 16

約数和(自身を含む): 270626400

約数和(自身を除く): 49400545

約数列:

[1, 5, 101, 109, 505, 545, 4019, 11009, 20095, 55045, 405919, 438071, 2029595, 2190355, 44245171, 221225855]

約数ペア:

[(1, 221225855), (5, 44245171), (101, 2190355), (109, 2029595), (505, 438071), (545, 405919), (4019, 55045), (11009, 20095)]