278496648

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:587

約数の個数: 96

約数和(自身を含む): 771975360

約数和(自身を除く): 493478712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 157, 213, 284, 314, 347, 426, 471, 568, 628, 639, 694, 852, 942, 1041, 1256, 1278, 1388, 1413, 1704, 1884, 2082, 2556, 2776, 2826, 3123, 3768, 4164, 5112, 5652, 6246, 8328, 11147, 11304, 12492, 22294, 24637, 24984, 33441, 44588, 49274, 54479, 66882, 73911, 89176, 98548, 100323, 108958, 133764, 147822, 163437, 197096, 200646, 217916, 221733, 267528, 295644, 326874, 401292, 435832, 443466, 490311, 591288, 653748, 802584, 886932, 980622, 1307496, 1773864, 1961244, 3868009, 3922488, 7736018, 11604027, 15472036, 23208054, 30944072, 34812081, 46416108, 69624162, 92832216, 139248324, 278496648]

約数ペア:

[(1, 278496648), (2, 139248324), (3, 92832216), (4, 69624162), (6, 46416108), (8, 34812081), (9, 30944072), (12, 23208054), (18, 15472036), (24, 11604027), (36, 7736018), (71, 3922488), (72, 3868009), (142, 1961244), (157, 1773864), (213, 1307496), (284, 980622), (314, 886932), (347, 802584), (426, 653748), (471, 591288), (568, 490311), (628, 443466), (639, 435832), (694, 401292), (852, 326874), (942, 295644), (1041, 267528), (1256, 221733), (1278, 217916), (1388, 200646), (1413, 197096), (1704, 163437), (1884, 147822), (2082, 133764), (2556, 108958), (2776, 100323), (2826, 98548), (3123, 89176), (3768, 73911), (4164, 66882), (5112, 54479), (5652, 49274), (6246, 44588), (8328, 33441), (11147, 24984), (11304, 24637), (12492, 22294)]