66883864

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 133721280

約数和(自身を除く): 66837416

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 197, 248, 296, 394, 788, 1147, 1369, 1576, 2294, 2738, 4588, 5476, 6107, 7289, 9176, 10952, 12214, 14578, 24428, 29156, 42439, 48856, 58312, 84878, 169756, 225959, 269693, 339512, 451918, 539386, 903836, 1078772, 1807672, 2157544, 8360483, 16720966, 33441932, 66883864]

約数ペア:

[(1, 66883864), (2, 33441932), (4, 16720966), (8, 8360483), (31, 2157544), (37, 1807672), (62, 1078772), (74, 903836), (124, 539386), (148, 451918), (197, 339512), (248, 269693), (296, 225959), (394, 169756), (788, 84878), (1147, 58312), (1369, 48856), (1576, 42439), (2294, 29156), (2738, 24428), (4588, 14578), (5476, 12214), (6107, 10952), (7289, 9176)]