221691056

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{30859}}^1$

素因数の和:31316

約数の個数: 20

約数和(自身を含む): 430497000

約数和(自身を除く): 208805944

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 30859, 61718, 123436, 246872, 493744, 13855691, 27711382, 55422764, 110845528, 221691056]

約数ペア:

[(1, 221691056), (2, 110845528), (4, 55422764), (8, 27711382), (16, 13855691), (449, 493744), (898, 246872), (1796, 123436), (3592, 61718), (7184, 30859)]