2005177811

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1\times {\mathrm{617}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 2511710208

約数和(自身を除く): 506532397

約数列:

[1, 7, 13, 71, 91, 497, 503, 617, 923, 3521, 4319, 6461, 6539, 8021, 35713, 43807, 45773, 56147, 249991, 306649, 310351, 464269, 569491, 2172457, 3249883, 3986437, 4034563, 22034921, 28241941, 154244447, 286453973, 2005177811]

約数ペア:

[(1, 2005177811), (7, 286453973), (13, 154244447), (71, 28241941), (91, 22034921), (497, 4034563), (503, 3986437), (617, 3249883), (923, 2172457), (3521, 569491), (4319, 464269), (6461, 310351), (6539, 306649), (8021, 249991), (35713, 56147), (43807, 45773)]