247103759

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 311439360

約数和(自身を除く): 64335601

約数列:

[1, 7, 19, 31, 73, 133, 217, 511, 589, 821, 1387, 2263, 4123, 5747, 9709, 15599, 15841, 25451, 42997, 59933, 109193, 178157, 300979, 419531, 483569, 1138727, 1857923, 3384983, 7971089, 13005461, 35300537, 247103759]

約数ペア:

[(1, 247103759), (7, 35300537), (19, 13005461), (31, 7971089), (73, 3384983), (133, 1857923), (217, 1138727), (511, 483569), (589, 419531), (821, 300979), (1387, 178157), (2263, 109193), (4123, 59933), (5747, 42997), (9709, 25451), (15599, 15841)]