201991215461

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{48463}}^1$

素因数の和:48801

約数の個数: 32

約数和(自身を含む): 241150660608

約数和(自身を除く): 39159445147

約数列:

[1, 7, 43, 61, 227, 301, 427, 1589, 2623, 9761, 13847, 18361, 48463, 68327, 96929, 339241, 595421, 2083909, 2956243, 4167947, 11001101, 14587363, 20693701, 77007707, 127118449, 473047343, 671067161, 889829143, 3311331401, 4697470127, 28855887923, 201991215461]

約数ペア:

[(1, 201991215461), (7, 28855887923), (43, 4697470127), (61, 3311331401), (227, 889829143), (301, 671067161), (427, 473047343), (1589, 127118449), (2623, 77007707), (9761, 20693701), (13847, 14587363), (18361, 11001101), (48463, 4167947), (68327, 2956243), (96929, 2083909), (339241, 595421)]