31209919783

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 38606982400

約数和(自身を除く): 7397062617

約数列:

[1, 7, 19, 53, 133, 139, 371, 601, 973, 1007, 2641, 2809, 4207, 7049, 7367, 11419, 18487, 19663, 31853, 51569, 53371, 79933, 83539, 139973, 222971, 373597, 390451, 584773, 605207, 979811, 1587241, 1688209, 2733157, 4236449, 4427567, 7418569, 11110687, 11817463, 30992969, 32075971, 51929983, 84123773, 224531797, 234661051, 588866411, 1642627357, 4458559969, 31209919783]

約数ペア:

[(1, 31209919783), (7, 4458559969), (19, 1642627357), (53, 588866411), (133, 234661051), (139, 224531797), (371, 84123773), (601, 51929983), (973, 32075971), (1007, 30992969), (2641, 11817463), (2809, 11110687), (4207, 7418569), (7049, 4427567), (7367, 4236449), (11419, 2733157), (18487, 1688209), (19663, 1587241), (31853, 979811), (51569, 605207), (53371, 584773), (79933, 390451), (83539, 373597), (139973, 222971)]