221722105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{16061}}^1$

素因数の和:16328

約数の個数: 16

約数和(自身を含む): 291428928

約数和(自身を除く): 69706823

約数列:

[1, 5, 11, 55, 251, 1255, 2761, 13805, 16061, 80305, 176671, 883355, 4031311, 20156555, 44344421, 221722105]

約数ペア:

[(1, 221722105), (5, 44344421), (11, 20156555), (55, 4031311), (251, 883355), (1255, 176671), (2761, 80305), (13805, 16061)]