646633728

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21589}}^1$

素因数の和:21624

約数の個数: 108

約数和(自身を含む): 2007913180

約数和(自身を除く): 1361279452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 768, 832, 936, 1152, 1248, 1664, 1872, 2304, 2496, 3328, 3744, 4992, 7488, 9984, 14976, 21589, 29952, 43178, 64767, 86356, 129534, 172712, 194301, 259068, 280657, 345424, 388602, 518136, 561314, 690848, 777204, 841971, 1036272, 1122628, 1381696, 1554408, 1683942, 2072544, 2245256, 2525913, 2763392, 3108816, 3367884, 4145088, 4490512, 5051826, 5526784, 6217632, 6735768, 8290176, 8981024, 10103652, 12435264, 13471536, 16580352, 17962048, 20207304, 24870528, 26943072, 35924096, 40414608, 49741056, 53886144, 71848192, 80829216, 107772288, 161658432, 215544576, 323316864, 646633728]

約数ペア:

[(1, 646633728), (2, 323316864), (3, 215544576), (4, 161658432), (6, 107772288), (8, 80829216), (9, 71848192), (12, 53886144), (13, 49741056), (16, 40414608), (18, 35924096), (24, 26943072), (26, 24870528), (32, 20207304), (36, 17962048), (39, 16580352), (48, 13471536), (52, 12435264), (64, 10103652), (72, 8981024), (78, 8290176), (96, 6735768), (104, 6217632), (117, 5526784), (128, 5051826), (144, 4490512), (156, 4145088), (192, 3367884), (208, 3108816), (234, 2763392), (256, 2525913), (288, 2245256), (312, 2072544), (384, 1683942), (416, 1554408), (468, 1381696), (576, 1122628), (624, 1036272), (768, 841971), (832, 777204), (936, 690848), (1152, 561314), (1248, 518136), (1664, 388602), (1872, 345424), (2304, 280657), (2496, 259068), (3328, 194301), (3744, 172712), (4992, 129534), (7488, 86356), (9984, 64767), (14976, 43178), (21589, 29952)]