16805558

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 16786762

約数列:

[1, 2, 7, 11, 14, 22, 29, 53, 58, 71, 77, 106, 142, 154, 203, 319, 371, 406, 497, 583, 638, 742, 781, 994, 1166, 1537, 1562, 2059, 2233, 3074, 3763, 4081, 4118, 4466, 5467, 7526, 8162, 10759, 10934, 14413, 16907, 21518, 22649, 26341, 28826, 33814, 41393, 45298, 52682, 82786, 109127, 118349, 158543, 218254, 236698, 289751, 317086, 579502, 763889, 1200397, 1527778, 2400794, 8402779, 16805558]

約数ペア:

[(1, 16805558), (2, 8402779), (7, 2400794), (11, 1527778), (14, 1200397), (22, 763889), (29, 579502), (53, 317086), (58, 289751), (71, 236698), (77, 218254), (106, 158543), (142, 118349), (154, 109127), (203, 82786), (319, 52682), (371, 45298), (406, 41393), (497, 33814), (583, 28826), (638, 26341), (742, 22649), (781, 21518), (994, 16907), (1166, 14413), (1537, 10934), (1562, 10759), (2059, 8162), (2233, 7526), (3074, 5467), (3763, 4466), (4081, 4118)]