31778748

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{12433}}^1$

素因数の和:12514

約数の個数: 36

約数和(自身を含む): 81467568

約数和(自身を除く): 49688820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 12433, 24866, 37299, 49732, 74598, 111897, 149196, 223794, 447588, 882743, 1765486, 2648229, 3530972, 5296458, 7944687, 10592916, 15889374, 31778748]

約数ペア:

[(1, 31778748), (2, 15889374), (3, 10592916), (4, 7944687), (6, 5296458), (9, 3530972), (12, 2648229), (18, 1765486), (36, 882743), (71, 447588), (142, 223794), (213, 149196), (284, 111897), (426, 74598), (639, 49732), (852, 37299), (1278, 24866), (2556, 12433)]