399212544

素因数分解:

$2^{15}\times 3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 1107279360

約数和(自身を除く): 708066816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 131, 186, 192, 248, 256, 262, 372, 384, 393, 496, 512, 524, 744, 768, 786, 992, 1024, 1048, 1488, 1536, 1572, 1984, 2048, 2096, 2976, 3072, 3144, 3968, 4061, 4096, 4192, 5952, 6144, 6288, 7936, 8122, 8192, 8384, 11904, 12183, 12288, 12576, 15872, 16244, 16384, 16768, 23808, 24366, 24576, 25152, 31744, 32488, 32768, 33536, 47616, 48732, 49152, 50304, 63488, 64976, 67072, 95232, 97464, 98304, 100608, 126976, 129952, 134144, 190464, 194928, 201216, 253952, 259904, 268288, 380928, 389856, 402432, 507904, 519808, 536576, 761856, 779712, 804864, 1015808, 1039616, 1073152, 1523712, 1559424, 1609728, 2079232, 2146304, 3047424, 3118848, 3219456, 4158464, 4292608, 6237696, 6438912, 8316928, 12475392, 12877824, 16633856, 24950784, 33267712, 49901568, 66535424, 99803136, 133070848, 199606272, 399212544]

約数ペア:

[(1, 399212544), (2, 199606272), (3, 133070848), (4, 99803136), (6, 66535424), (8, 49901568), (12, 33267712), (16, 24950784), (24, 16633856), (31, 12877824), (32, 12475392), (48, 8316928), (62, 6438912), (64, 6237696), (93, 4292608), (96, 4158464), (124, 3219456), (128, 3118848), (131, 3047424), (186, 2146304), (192, 2079232), (248, 1609728), (256, 1559424), (262, 1523712), (372, 1073152), (384, 1039616), (393, 1015808), (496, 804864), (512, 779712), (524, 761856), (744, 536576), (768, 519808), (786, 507904), (992, 402432), (1024, 389856), (1048, 380928), (1488, 268288), (1536, 259904), (1572, 253952), (1984, 201216), (2048, 194928), (2096, 190464), (2976, 134144), (3072, 129952), (3144, 126976), (3968, 100608), (4061, 98304), (4096, 97464), (4192, 95232), (5952, 67072), (6144, 64976), (6288, 63488), (7936, 50304), (8122, 49152), (8192, 48732), (8384, 47616), (11904, 33536), (12183, 32768), (12288, 32488), (12576, 31744), (15872, 25152), (16244, 24576), (16384, 24366), (16768, 23808)]