127999124

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 268128000

約数和(自身を除く): 140128876

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 121, 124, 209, 242, 341, 418, 449, 484, 589, 682, 836, 898, 1178, 1364, 1796, 2299, 2356, 3751, 4598, 4939, 6479, 7502, 8531, 9196, 9878, 12958, 13919, 15004, 17062, 19756, 25916, 27838, 34124, 54329, 55676, 71269, 93841, 108658, 142538, 153109, 187682, 217316, 264461, 285076, 306218, 375364, 528922, 612436, 1032251, 1057844, 1684199, 2064502, 2909071, 3368398, 4129004, 5818142, 6736796, 11636284, 31999781, 63999562, 127999124]

約数ペア:

[(1, 127999124), (2, 63999562), (4, 31999781), (11, 11636284), (19, 6736796), (22, 5818142), (31, 4129004), (38, 3368398), (44, 2909071), (62, 2064502), (76, 1684199), (121, 1057844), (124, 1032251), (209, 612436), (242, 528922), (341, 375364), (418, 306218), (449, 285076), (484, 264461), (589, 217316), (682, 187682), (836, 153109), (898, 142538), (1178, 108658), (1364, 93841), (1796, 71269), (2299, 55676), (2356, 54329), (3751, 34124), (4598, 27838), (4939, 25916), (6479, 19756), (7502, 17062), (8531, 15004), (9196, 13919), (9878, 12958)]