208316988

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:893

約数の個数: 144

約数和(自身を含む): 625632000

約数和(自身を除く): 417315012

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 27, 33, 36, 38, 44, 54, 57, 66, 76, 99, 108, 114, 121, 132, 171, 198, 209, 228, 242, 297, 342, 363, 396, 418, 484, 513, 594, 627, 684, 726, 836, 839, 1026, 1089, 1188, 1254, 1452, 1678, 1881, 2052, 2178, 2299, 2508, 2517, 3267, 3356, 3762, 4356, 4598, 5034, 5643, 6534, 6897, 7524, 7551, 9196, 9229, 10068, 11286, 13068, 13794, 15102, 15941, 18458, 20691, 22572, 22653, 27588, 27687, 30204, 31882, 36916, 41382, 45306, 47823, 55374, 62073, 63764, 82764, 83061, 90612, 95646, 101519, 110748, 124146, 143469, 166122, 175351, 191292, 203038, 248292, 249183, 286938, 304557, 332244, 350702, 406076, 430407, 498366, 526053, 573876, 609114, 701404, 860814, 913671, 996732, 1052106, 1218228, 1578159, 1721628, 1827342, 1928861, 2104212, 2741013, 3156318, 3654684, 3857722, 4734477, 5482026, 5786583, 6312636, 7715444, 9468954, 10964052, 11573166, 17359749, 18937908, 23146332, 34719498, 52079247, 69438996, 104158494, 208316988]

約数ペア:

[(1, 208316988), (2, 104158494), (3, 69438996), (4, 52079247), (6, 34719498), (9, 23146332), (11, 18937908), (12, 17359749), (18, 11573166), (19, 10964052), (22, 9468954), (27, 7715444), (33, 6312636), (36, 5786583), (38, 5482026), (44, 4734477), (54, 3857722), (57, 3654684), (66, 3156318), (76, 2741013), (99, 2104212), (108, 1928861), (114, 1827342), (121, 1721628), (132, 1578159), (171, 1218228), (198, 1052106), (209, 996732), (228, 913671), (242, 860814), (297, 701404), (342, 609114), (363, 573876), (396, 526053), (418, 498366), (484, 430407), (513, 406076), (594, 350702), (627, 332244), (684, 304557), (726, 286938), (836, 249183), (839, 248292), (1026, 203038), (1089, 191292), (1188, 175351), (1254, 166122), (1452, 143469), (1678, 124146), (1881, 110748), (2052, 101519), (2178, 95646), (2299, 90612), (2508, 83061), (2517, 82764), (3267, 63764), (3356, 62073), (3762, 55374), (4356, 47823), (4598, 45306), (5034, 41382), (5643, 36916), (6534, 31882), (6897, 30204), (7524, 27687), (7551, 27588), (9196, 22653), (9229, 22572), (10068, 20691), (11286, 18458), (13068, 15941), (13794, 15102)]