198091278

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 569963520

約数和(自身を除く): 371872242

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 61, 63, 66, 71, 77, 99, 121, 122, 126, 142, 154, 183, 189, 198, 213, 231, 242, 297, 363, 366, 378, 426, 427, 462, 497, 549, 594, 639, 671, 693, 726, 781, 847, 854, 994, 1089, 1098, 1278, 1281, 1342, 1386, 1491, 1562, 1647, 1694, 1917, 2013, 2079, 2178, 2343, 2541, 2562, 2982, 3267, 3294, 3834, 3843, 4026, 4158, 4331, 4473, 4686, 4697, 5082, 5467, 6039, 6534, 7029, 7381, 7623, 7686, 8591, 8662, 8946, 9394, 10934, 11529, 12078, 12993, 13419, 14058, 14091, 14762, 15246, 16401, 17182, 18117, 21087, 22143, 22869, 23058, 25773, 25986, 26838, 28182, 30317, 32802, 36234, 38979, 42174, 42273, 44286, 45738, 47641, 49203, 51546, 51667, 60137, 60634, 66429, 77319, 77958, 84546, 90951, 95282, 98406, 103334, 116937, 120274, 126819, 132858, 142923, 147609, 154638, 155001, 180411, 181902, 199287, 231957, 233874, 253638, 272853, 285846, 295218, 310002, 333487, 360822, 398574, 428769, 463914, 465003, 524051, 541233, 545706, 666974, 818559, 857538, 930006, 1000461, 1048102, 1082466, 1286307, 1395009, 1572153, 1623699, 1637118, 2000922, 2572614, 2790018, 3001383, 3144306, 3247398, 3668357, 4716459, 6002766, 7336714, 9004149, 9432918, 11005071, 14149377, 18008298, 22010142, 28298754, 33015213, 66030426, 99045639, 198091278]

約数ペア:

[(1, 198091278), (2, 99045639), (3, 66030426), (6, 33015213), (7, 28298754), (9, 22010142), (11, 18008298), (14, 14149377), (18, 11005071), (21, 9432918), (22, 9004149), (27, 7336714), (33, 6002766), (42, 4716459), (54, 3668357), (61, 3247398), (63, 3144306), (66, 3001383), (71, 2790018), (77, 2572614), (99, 2000922), (121, 1637118), (122, 1623699), (126, 1572153), (142, 1395009), (154, 1286307), (183, 1082466), (189, 1048102), (198, 1000461), (213, 930006), (231, 857538), (242, 818559), (297, 666974), (363, 545706), (366, 541233), (378, 524051), (426, 465003), (427, 463914), (462, 428769), (497, 398574), (549, 360822), (594, 333487), (639, 310002), (671, 295218), (693, 285846), (726, 272853), (781, 253638), (847, 233874), (854, 231957), (994, 199287), (1089, 181902), (1098, 180411), (1278, 155001), (1281, 154638), (1342, 147609), (1386, 142923), (1491, 132858), (1562, 126819), (1647, 120274), (1694, 116937), (1917, 103334), (2013, 98406), (2079, 95282), (2178, 90951), (2343, 84546), (2541, 77958), (2562, 77319), (2982, 66429), (3267, 60634), (3294, 60137), (3834, 51667), (3843, 51546), (4026, 49203), (4158, 47641), (4331, 45738), (4473, 44286), (4686, 42273), (4697, 42174), (5082, 38979), (5467, 36234), (6039, 32802), (6534, 30317), (7029, 28182), (7381, 26838), (7623, 25986), (7686, 25773), (8591, 23058), (8662, 22869), (8946, 22143), (9394, 21087), (10934, 18117), (11529, 17182), (12078, 16401), (12993, 15246), (13419, 14762), (14058, 14091)]