205120846

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{10861}}^1$

素因数の和:10960

約数の個数: 32

約数和(自身を含む): 375390720

約数和(自身を除く): 170269874

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 9443, 10861, 18886, 21722, 76027, 152054, 206359, 412718, 771131, 1444513, 1542262, 2889026, 5397917, 10795834, 14651489, 29302978, 102560423, 205120846]

約数ペア:

[(1, 205120846), (2, 102560423), (7, 29302978), (14, 14651489), (19, 10795834), (38, 5397917), (71, 2889026), (133, 1542262), (142, 1444513), (266, 771131), (497, 412718), (994, 206359), (1349, 152054), (2698, 76027), (9443, 21722), (10861, 18886)]