181771898

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 388730880

約数和(自身を除く): 206958982

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 37, 38, 46, 73, 74, 77, 133, 146, 154, 161, 209, 253, 259, 266, 322, 407, 418, 437, 506, 511, 518, 703, 803, 814, 851, 874, 1022, 1387, 1406, 1463, 1606, 1679, 1702, 1771, 2701, 2774, 2849, 2926, 3059, 3358, 3542, 4807, 4921, 5402, 5621, 5698, 5957, 6118, 7733, 9361, 9614, 9709, 9842, 11242, 11753, 11914, 15257, 15466, 16169, 18469, 18722, 18907, 19418, 23506, 29711, 30514, 31901, 32338, 33649, 36938, 37814, 51319, 54131, 59422, 62123, 63802, 65527, 67298, 102638, 106799, 108262, 113183, 124246, 129283, 131054, 177859, 207977, 213598, 223307, 226366, 258566, 350911, 355718, 359233, 415954, 434861, 446614, 564509, 683353, 701822, 718466, 869722, 1129018, 1180337, 1245013, 1366706, 2360674, 2456377, 2490026, 3951563, 4783471, 4912754, 7903126, 8262359, 9566942, 12983707, 16524718, 25967414, 90885949, 181771898]

約数ペア:

[(1, 181771898), (2, 90885949), (7, 25967414), (11, 16524718), (14, 12983707), (19, 9566942), (22, 8262359), (23, 7903126), (37, 4912754), (38, 4783471), (46, 3951563), (73, 2490026), (74, 2456377), (77, 2360674), (133, 1366706), (146, 1245013), (154, 1180337), (161, 1129018), (209, 869722), (253, 718466), (259, 701822), (266, 683353), (322, 564509), (407, 446614), (418, 434861), (437, 415954), (506, 359233), (511, 355718), (518, 350911), (703, 258566), (803, 226366), (814, 223307), (851, 213598), (874, 207977), (1022, 177859), (1387, 131054), (1406, 129283), (1463, 124246), (1606, 113183), (1679, 108262), (1702, 106799), (1771, 102638), (2701, 67298), (2774, 65527), (2849, 63802), (2926, 62123), (3059, 59422), (3358, 54131), (3542, 51319), (4807, 37814), (4921, 36938), (5402, 33649), (5621, 32338), (5698, 31901), (5957, 30514), (6118, 29711), (7733, 23506), (9361, 19418), (9614, 18907), (9709, 18722), (9842, 18469), (11242, 16169), (11753, 15466), (11914, 15257)]