221424056

素因数分解:

$2^3\times 7^1\times {\mathrm{3954001}}^1$

素因数の和:3954014

約数の個数: 16

約数和(自身を含む): 474480240

約数和(自身を除く): 253056184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3954001, 7908002, 15816004, 27678007, 31632008, 55356014, 110712028, 221424056]

約数ペア:

[(1, 221424056), (2, 110712028), (4, 55356014), (7, 31632008), (8, 27678007), (14, 15816004), (28, 7908002), (56, 3954001)]