487993891

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2803}}^1$

素因数の和:2864

約数の個数: 48

約数和(自身を含む): 690456960

約数和(自身を除く): 202463069

約数列:

[1, 7, 11, 17, 19, 49, 77, 119, 133, 187, 209, 323, 539, 833, 931, 1309, 1463, 2261, 2803, 3553, 9163, 10241, 15827, 19621, 24871, 30833, 47651, 53257, 137347, 174097, 215831, 333557, 372799, 524161, 585827, 905369, 1510817, 2334899, 2609593, 3669127, 4100789, 6337583, 9959059, 25683889, 28705523, 44363081, 69713413, 487993891]

約数ペア:

[(1, 487993891), (7, 69713413), (11, 44363081), (17, 28705523), (19, 25683889), (49, 9959059), (77, 6337583), (119, 4100789), (133, 3669127), (187, 2609593), (209, 2334899), (323, 1510817), (539, 905369), (833, 585827), (931, 524161), (1309, 372799), (1463, 333557), (2261, 215831), (2803, 174097), (3553, 137347), (9163, 53257), (10241, 47651), (15827, 30833), (19621, 24871)]