247742418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 659977920

約数和(自身を除く): 412235502

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 41, 42, 58, 66, 77, 82, 87, 121, 123, 154, 174, 203, 231, 242, 246, 287, 319, 363, 406, 451, 462, 574, 609, 638, 726, 847, 861, 902, 957, 1189, 1218, 1353, 1681, 1694, 1722, 1914, 2233, 2378, 2541, 2706, 3157, 3362, 3509, 3567, 4466, 4961, 5043, 5082, 6314, 6699, 7018, 7134, 8323, 9471, 9922, 10086, 10527, 11767, 13079, 13398, 14883, 16646, 18491, 18942, 21054, 23534, 24563, 24969, 26158, 29766, 34727, 35301, 36982, 39237, 48749, 49126, 49938, 55473, 69454, 70602, 73689, 78474, 91553, 97498, 104181, 110946, 129437, 143869, 146247, 147378, 183106, 203401, 208362, 258874, 274659, 287738, 292494, 341243, 388311, 406802, 431607, 536239, 549318, 610203, 682486, 776622, 863214, 1007083, 1023729, 1072478, 1220406, 1423807, 1608717, 2014166, 2047458, 2847614, 3021249, 3217434, 3753673, 4271421, 5898629, 6042498, 7507346, 8542842, 11261019, 11797258, 17695887, 22522038, 35391774, 41290403, 82580806, 123871209, 247742418]

約数ペア:

[(1, 247742418), (2, 123871209), (3, 82580806), (6, 41290403), (7, 35391774), (11, 22522038), (14, 17695887), (21, 11797258), (22, 11261019), (29, 8542842), (33, 7507346), (41, 6042498), (42, 5898629), (58, 4271421), (66, 3753673), (77, 3217434), (82, 3021249), (87, 2847614), (121, 2047458), (123, 2014166), (154, 1608717), (174, 1423807), (203, 1220406), (231, 1072478), (242, 1023729), (246, 1007083), (287, 863214), (319, 776622), (363, 682486), (406, 610203), (451, 549318), (462, 536239), (574, 431607), (609, 406802), (638, 388311), (726, 341243), (847, 292494), (861, 287738), (902, 274659), (957, 258874), (1189, 208362), (1218, 203401), (1353, 183106), (1681, 147378), (1694, 146247), (1722, 143869), (1914, 129437), (2233, 110946), (2378, 104181), (2541, 97498), (2706, 91553), (3157, 78474), (3362, 73689), (3509, 70602), (3567, 69454), (4466, 55473), (4961, 49938), (5043, 49126), (5082, 48749), (6314, 39237), (6699, 36982), (7018, 35301), (7134, 34727), (8323, 29766), (9471, 26158), (9922, 24969), (10086, 24563), (10527, 23534), (11767, 21054), (13079, 18942), (13398, 18491), (14883, 16646)]