1021381712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{31277}}^1$

素因数の和:31455

約数の個数: 40

約数和(自身を含む): 2144795016

約数和(自身を除く): 1123413304

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2041, 2512, 4082, 8164, 16328, 31277, 32656, 62554, 125108, 250216, 406601, 500432, 813202, 1626404, 3252808, 4910489, 6505616, 9820978, 19641956, 39283912, 63836357, 78567824, 127672714, 255345428, 510690856, 1021381712]

約数ペア:

[(1, 1021381712), (2, 510690856), (4, 255345428), (8, 127672714), (13, 78567824), (16, 63836357), (26, 39283912), (52, 19641956), (104, 9820978), (157, 6505616), (208, 4910489), (314, 3252808), (628, 1626404), (1256, 813202), (2041, 500432), (2512, 406601), (4082, 250216), (8164, 125108), (16328, 62554), (31277, 32656)]