81864744

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262387}}^1$

素因数の和:262409

約数の個数: 32

約数和(自身を含む): 220405920

約数和(自身を除く): 138541176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 262387, 524774, 787161, 1049548, 1574322, 2099096, 3148644, 3411031, 6297288, 6822062, 10233093, 13644124, 20466186, 27288248, 40932372, 81864744]

約数ペア:

[(1, 81864744), (2, 40932372), (3, 27288248), (4, 20466186), (6, 13644124), (8, 10233093), (12, 6822062), (13, 6297288), (24, 3411031), (26, 3148644), (39, 2099096), (52, 1574322), (78, 1049548), (104, 787161), (156, 524774), (312, 262387)]