221355841

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{44351}}^1$

素因数の和:44412

約数の個数: 16

約数和(自身を含む): 272498688

約数和(自身を除く): 51142847

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 44351, 310457, 1020073, 1374881, 7140511, 9624167, 31622263, 221355841]

約数ペア:

[(1, 221355841), (7, 31622263), (23, 9624167), (31, 7140511), (161, 1374881), (217, 1020073), (713, 310457), (4991, 44351)]