291257648

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 120

約数和(自身を含む): 671290368

約数和(自身を除く): 380032720

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 44, 46, 62, 88, 92, 121, 124, 176, 184, 211, 242, 248, 253, 341, 368, 422, 484, 496, 506, 682, 713, 844, 968, 1012, 1364, 1426, 1688, 1936, 2024, 2321, 2728, 2783, 2852, 3376, 3751, 4048, 4642, 4853, 5456, 5566, 5704, 6541, 7502, 7843, 9284, 9706, 11132, 11408, 13082, 15004, 15686, 18568, 19412, 22264, 25531, 26164, 30008, 31372, 37136, 38824, 44528, 51062, 52328, 53383, 60016, 62744, 71951, 77648, 86273, 102124, 104656, 106766, 125488, 143902, 150443, 172546, 204248, 213532, 287804, 300886, 345092, 408496, 427064, 575608, 587213, 601772, 690184, 791461, 854128, 1151216, 1174426, 1203544, 1380368, 1582922, 1654873, 2348852, 2407088, 3165844, 3309746, 4697704, 6331688, 6619492, 9395408, 12663376, 13238984, 18203603, 26477968, 36407206, 72814412, 145628824, 291257648]

約数ペア:

[(1, 291257648), (2, 145628824), (4, 72814412), (8, 36407206), (11, 26477968), (16, 18203603), (22, 13238984), (23, 12663376), (31, 9395408), (44, 6619492), (46, 6331688), (62, 4697704), (88, 3309746), (92, 3165844), (121, 2407088), (124, 2348852), (176, 1654873), (184, 1582922), (211, 1380368), (242, 1203544), (248, 1174426), (253, 1151216), (341, 854128), (368, 791461), (422, 690184), (484, 601772), (496, 587213), (506, 575608), (682, 427064), (713, 408496), (844, 345092), (968, 300886), (1012, 287804), (1364, 213532), (1426, 204248), (1688, 172546), (1936, 150443), (2024, 143902), (2321, 125488), (2728, 106766), (2783, 104656), (2852, 102124), (3376, 86273), (3751, 77648), (4048, 71951), (4642, 62744), (4853, 60016), (5456, 53383), (5566, 52328), (5704, 51062), (6541, 44528), (7502, 38824), (7843, 37136), (9284, 31372), (9706, 30008), (11132, 26164), (11408, 25531), (13082, 22264), (15004, 19412), (15686, 18568)]