219263191

素因数分解:

$7^2\times {\mathrm{401}}^1\times {\mathrm{11159}}^1$

素因数の和:11574

約数の個数: 12

約数和(自身を含む): 255720240

約数和(自身を除く): 36457049

約数列:

[1, 7, 49, 401, 2807, 11159, 19649, 78113, 546791, 4474759, 31323313, 219263191]

約数ペア:

[(1, 219263191), (7, 31323313), (49, 4474759), (401, 546791), (2807, 78113), (11159, 19649)]