40780789

素因数分解:

$7^2\times {\mathrm{431}}^1\times {\mathrm{1931}}^1$

素因数の和:2376

約数の個数: 12

約数和(自身を含む): 47573568

約数和(自身を除く): 6792779

約数列:

[1, 7, 49, 431, 1931, 3017, 13517, 21119, 94619, 832261, 5825827, 40780789]

約数ペア:

[(1, 40780789), (7, 5825827), (49, 832261), (431, 94619), (1931, 21119), (3017, 13517)]