219050909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{11903}}^1$

素因数の和:12160

約数の個数: 16

約数和(自身を含む): 274268160

約数和(自身を除く): 55217251

約数列:

[1, 7, 11, 77, 239, 1673, 2629, 11903, 18403, 83321, 130933, 916531, 2844817, 19913719, 31292987, 219050909]

約数ペア:

[(1, 219050909), (7, 31292987), (11, 19913719), (77, 2844817), (239, 916531), (1673, 130933), (2629, 83321), (11903, 18403)]