198609642

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1861}}^1$

素因数の和:1905

約数の個数: 108

約数和(自身を含む): 550517058

約数和(自身を除く): 351907416

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 121, 126, 147, 154, 198, 231, 242, 294, 363, 441, 462, 539, 693, 726, 847, 882, 1078, 1089, 1386, 1617, 1694, 1861, 2178, 2541, 3234, 3722, 4851, 5082, 5583, 5929, 7623, 9702, 11166, 11858, 13027, 15246, 16749, 17787, 20471, 26054, 33498, 35574, 39081, 40942, 53361, 61413, 78162, 91189, 106722, 117243, 122826, 143297, 182378, 184239, 225181, 234486, 273567, 286594, 368478, 429891, 450362, 547134, 675543, 820701, 859782, 1003079, 1289673, 1351086, 1576267, 1641402, 2006158, 2026629, 2579346, 3009237, 3152534, 4053258, 4728801, 6018474, 9027711, 9457602, 11033869, 14186403, 18055422, 22067738, 28372806, 33101607, 66203214, 99304821, 198609642]

約数ペア:

[(1, 198609642), (2, 99304821), (3, 66203214), (6, 33101607), (7, 28372806), (9, 22067738), (11, 18055422), (14, 14186403), (18, 11033869), (21, 9457602), (22, 9027711), (33, 6018474), (42, 4728801), (49, 4053258), (63, 3152534), (66, 3009237), (77, 2579346), (98, 2026629), (99, 2006158), (121, 1641402), (126, 1576267), (147, 1351086), (154, 1289673), (198, 1003079), (231, 859782), (242, 820701), (294, 675543), (363, 547134), (441, 450362), (462, 429891), (539, 368478), (693, 286594), (726, 273567), (847, 234486), (882, 225181), (1078, 184239), (1089, 182378), (1386, 143297), (1617, 122826), (1694, 117243), (1861, 106722), (2178, 91189), (2541, 78162), (3234, 61413), (3722, 53361), (4851, 40942), (5082, 39081), (5583, 35574), (5929, 33498), (7623, 26054), (9702, 20471), (11166, 17787), (11858, 16749), (13027, 15246)]