81487172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 161725872

約数和(自身を除く): 80238700

約数列:

[1, 2, 4, 13, 26, 37, 41, 52, 74, 82, 148, 164, 481, 533, 962, 1033, 1066, 1517, 1924, 2066, 2132, 3034, 4132, 6068, 13429, 19721, 26858, 38221, 39442, 42353, 53716, 76442, 78884, 84706, 152884, 169412, 496873, 550589, 993746, 1101178, 1567061, 1987492, 2202356, 3134122, 6268244, 20371793, 40743586, 81487172]

約数ペア:

[(1, 81487172), (2, 40743586), (4, 20371793), (13, 6268244), (26, 3134122), (37, 2202356), (41, 1987492), (52, 1567061), (74, 1101178), (82, 993746), (148, 550589), (164, 496873), (481, 169412), (533, 152884), (962, 84706), (1033, 78884), (1066, 76442), (1517, 53716), (1924, 42353), (2066, 39442), (2132, 38221), (3034, 26858), (4132, 19721), (6068, 13429)]