81869944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1777}}^1$

素因数の和:2239

約数の個数: 32

約数和(自身を含む): 165780720

約数和(自身を除く): 83910776

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 443, 886, 1772, 1777, 3544, 3554, 5759, 7108, 11518, 14216, 23036, 23101, 46072, 46202, 92404, 184808, 787211, 1574422, 3148844, 6297688, 10233743, 20467486, 40934972, 81869944]

約数ペア:

[(1, 81869944), (2, 40934972), (4, 20467486), (8, 10233743), (13, 6297688), (26, 3148844), (52, 1574422), (104, 787211), (443, 184808), (886, 92404), (1772, 46202), (1777, 46072), (3544, 23101), (3554, 23036), (5759, 14216), (7108, 11518)]