66403456

素因数分解:

$2^7\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2061

約数の個数: 64

約数和(自身を含む): 155350080

約数和(自身を除く): 88946624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 259, 296, 448, 518, 592, 896, 1036, 1184, 2003, 2072, 2368, 4006, 4144, 4736, 8012, 8288, 14021, 16024, 16576, 28042, 32048, 33152, 56084, 64096, 74111, 112168, 128192, 148222, 224336, 256384, 296444, 448672, 518777, 592888, 897344, 1037554, 1185776, 1794688, 2075108, 2371552, 4150216, 4743104, 8300432, 9486208, 16600864, 33201728, 66403456]

約数ペア:

[(1, 66403456), (2, 33201728), (4, 16600864), (7, 9486208), (8, 8300432), (14, 4743104), (16, 4150216), (28, 2371552), (32, 2075108), (37, 1794688), (56, 1185776), (64, 1037554), (74, 897344), (112, 592888), (128, 518777), (148, 448672), (224, 296444), (259, 256384), (296, 224336), (448, 148222), (518, 128192), (592, 112168), (896, 74111), (1036, 64096), (1184, 56084), (2003, 33152), (2072, 32048), (2368, 28042), (4006, 16576), (4144, 16024), (4736, 14021), (8012, 8288)]