212946156

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{479}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 551940480

約数和(自身を除く): 338994324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 233, 318, 466, 477, 479, 636, 699, 932, 954, 958, 1398, 1437, 1908, 1916, 2097, 2796, 2874, 4194, 4311, 5748, 8388, 8622, 12349, 17244, 24698, 25387, 37047, 49396, 50774, 74094, 76161, 101548, 111141, 111607, 148188, 152322, 222282, 223214, 228483, 304644, 334821, 444564, 446428, 456966, 669642, 913932, 1004463, 1339284, 2008926, 4017852, 5915171, 11830342, 17745513, 23660684, 35491026, 53236539, 70982052, 106473078, 212946156]

約数ペア:

[(1, 212946156), (2, 106473078), (3, 70982052), (4, 53236539), (6, 35491026), (9, 23660684), (12, 17745513), (18, 11830342), (36, 5915171), (53, 4017852), (106, 2008926), (159, 1339284), (212, 1004463), (233, 913932), (318, 669642), (466, 456966), (477, 446428), (479, 444564), (636, 334821), (699, 304644), (932, 228483), (954, 223214), (958, 222282), (1398, 152322), (1437, 148188), (1908, 111607), (1916, 111141), (2097, 101548), (2796, 76161), (2874, 74094), (4194, 50774), (4311, 49396), (5748, 37047), (8388, 25387), (8622, 24698), (12349, 17244)]