55781245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 80075520

約数和(自身を除く): 24294275

約数列:

[1, 5, 13, 19, 31, 47, 65, 95, 155, 235, 247, 403, 589, 611, 893, 961, 1235, 1457, 2015, 2945, 3055, 4465, 4805, 7285, 7657, 11609, 12493, 18259, 18941, 27683, 38285, 45167, 58045, 62465, 91295, 94705, 138415, 225835, 237367, 359879, 587171, 858173, 1186835, 1799395, 2935855, 4290865, 11156249, 55781245]

約数ペア:

[(1, 55781245), (5, 11156249), (13, 4290865), (19, 2935855), (31, 1799395), (47, 1186835), (65, 858173), (95, 587171), (155, 359879), (235, 237367), (247, 225835), (403, 138415), (589, 94705), (611, 91295), (893, 62465), (961, 58045), (1235, 45167), (1457, 38285), (2015, 27683), (2945, 18941), (3055, 18259), (4465, 12493), (4805, 11609), (7285, 7657)]