213405808

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173219}}^1$

素因数の和:173245

約数の個数: 40

約数和(自身を含む): 515502720

約数和(自身を除く): 302096912

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 173219, 346438, 692876, 1212533, 1385752, 1905409, 2425066, 2771504, 3810818, 4850132, 7621636, 9700264, 13337863, 15243272, 19400528, 26675726, 30486544, 53351452, 106702904, 213405808]

約数ペア:

[(1, 213405808), (2, 106702904), (4, 53351452), (7, 30486544), (8, 26675726), (11, 19400528), (14, 15243272), (16, 13337863), (22, 9700264), (28, 7621636), (44, 4850132), (56, 3810818), (77, 2771504), (88, 2425066), (112, 1905409), (154, 1385752), (176, 1212533), (308, 692876), (616, 346438), (1232, 173219)]