28376808

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 75764160

約数和(自身を除く): 47387352

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 157, 204, 314, 408, 443, 471, 628, 886, 942, 1256, 1329, 1772, 1884, 2658, 2669, 3544, 3768, 5316, 5338, 7531, 8007, 10632, 10676, 15062, 16014, 21352, 22593, 30124, 32028, 45186, 60248, 64056, 69551, 90372, 139102, 180744, 208653, 278204, 417306, 556408, 834612, 1182367, 1669224, 2364734, 3547101, 4729468, 7094202, 9458936, 14188404, 28376808]

約数ペア:

[(1, 28376808), (2, 14188404), (3, 9458936), (4, 7094202), (6, 4729468), (8, 3547101), (12, 2364734), (17, 1669224), (24, 1182367), (34, 834612), (51, 556408), (68, 417306), (102, 278204), (136, 208653), (157, 180744), (204, 139102), (314, 90372), (408, 69551), (443, 64056), (471, 60248), (628, 45186), (886, 32028), (942, 30124), (1256, 22593), (1329, 21352), (1772, 16014), (1884, 15062), (2658, 10676), (2669, 10632), (3544, 8007), (3768, 7531), (5316, 5338)]