399337687

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{21601}}^1$

素因数の和:21766

約数の個数: 16

約数和(自身を含む): 483884800

約数和(自身を除く): 84547113

約数列:

[1, 7, 19, 133, 139, 973, 2641, 18487, 21601, 151207, 410419, 2872933, 3002539, 21017773, 57048241, 399337687]

約数ペア:

[(1, 399337687), (7, 57048241), (19, 21017773), (133, 3002539), (139, 2872933), (973, 410419), (2641, 151207), (18487, 21601)]