128976488

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{1451}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 248814720

約数和(自身を除く): 119838232

約数列:

[1, 2, 4, 8, 41, 82, 164, 271, 328, 542, 1084, 1451, 2168, 2902, 5804, 11111, 11608, 22222, 44444, 59491, 88888, 118982, 237964, 393221, 475928, 786442, 1572884, 3145768, 16122061, 32244122, 64488244, 128976488]

約数ペア:

[(1, 128976488), (2, 64488244), (4, 32244122), (8, 16122061), (41, 3145768), (82, 1572884), (164, 786442), (271, 475928), (328, 393221), (542, 237964), (1084, 118982), (1451, 88888), (2168, 59491), (2902, 44444), (5804, 22222), (11111, 11608)]