1278846968

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{2801}}^1$

素因数の和:3108

約数の個数: 64

約数和(自身を含む): 2840555520

約数和(自身を除く): 1561708552

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 263, 434, 526, 868, 1052, 1736, 1841, 2104, 2801, 3682, 5602, 7364, 8153, 11204, 14728, 16306, 19607, 22408, 32612, 39214, 57071, 65224, 78428, 86831, 114142, 156856, 173662, 228284, 347324, 456568, 607817, 694648, 736663, 1215634, 1473326, 2431268, 2946652, 4862536, 5156641, 5893304, 10313282, 20626564, 22836553, 41253128, 45673106, 91346212, 159855871, 182692424, 319711742, 639423484, 1278846968]

約数ペア:

[(1, 1278846968), (2, 639423484), (4, 319711742), (7, 182692424), (8, 159855871), (14, 91346212), (28, 45673106), (31, 41253128), (56, 22836553), (62, 20626564), (124, 10313282), (217, 5893304), (248, 5156641), (263, 4862536), (434, 2946652), (526, 2431268), (868, 1473326), (1052, 1215634), (1736, 736663), (1841, 694648), (2104, 607817), (2801, 456568), (3682, 347324), (5602, 228284), (7364, 173662), (8153, 156856), (11204, 114142), (14728, 86831), (16306, 78428), (19607, 65224), (22408, 57071), (32612, 39214)]