7991567181

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{13669}}^1$

素因数の和:13970

約数の個数: 48

約数和(自身を含む): 13136323200

約数和(自身を除く): 5144756019

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 263, 741, 789, 2223, 2367, 3419, 4997, 10257, 13669, 14991, 30771, 41007, 44973, 64961, 123021, 177697, 194883, 259711, 533091, 584649, 779133, 1599273, 2337399, 3376243, 3594947, 10128729, 10784841, 30386187, 32354523, 46734311, 68303993, 140202933, 204911979, 420608799, 614735937, 887951909, 2663855727, 7991567181]

約数ペア:

[(1, 7991567181), (3, 2663855727), (9, 887951909), (13, 614735937), (19, 420608799), (39, 204911979), (57, 140202933), (117, 68303993), (171, 46734311), (247, 32354523), (263, 30386187), (741, 10784841), (789, 10128729), (2223, 3594947), (2367, 3376243), (3419, 2337399), (4997, 1599273), (10257, 779133), (13669, 584649), (14991, 533091), (30771, 259711), (41007, 194883), (44973, 177697), (64961, 123021)]