221256016

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{25561}}^1$

素因数の和:26110

約数の個数: 20

約数和(自身を含む): 429492724

約数和(自身を除く): 208236708

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 4328, 8656, 25561, 51122, 102244, 204488, 408976, 13828501, 27657002, 55314004, 110628008, 221256016]

約数ペア:

[(1, 221256016), (2, 110628008), (4, 55314004), (8, 27657002), (16, 13828501), (541, 408976), (1082, 204488), (2164, 102244), (4328, 51122), (8656, 25561)]