221489768

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{274121}}^1$

素因数の和:274228

約数の個数: 16

約数和(自身を含む): 419406660

約数和(自身を除く): 197916892

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 274121, 548242, 1096484, 2192968, 27686221, 55372442, 110744884, 221489768]

約数ペア:

[(1, 221489768), (2, 110744884), (4, 55372442), (8, 27686221), (101, 2192968), (202, 1096484), (404, 548242), (808, 274121)]