208450008

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 629197920

約数和(自身を除く): 420747912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 169, 222, 234, 296, 312, 333, 338, 444, 463, 468, 481, 507, 666, 676, 888, 926, 936, 962, 1014, 1332, 1352, 1389, 1443, 1521, 1852, 1924, 2028, 2664, 2778, 2886, 3042, 3704, 3848, 4056, 4167, 4329, 5556, 5772, 6019, 6084, 6253, 8334, 8658, 11112, 11544, 12038, 12168, 12506, 16668, 17131, 17316, 18057, 18759, 24076, 25012, 33336, 34262, 34632, 36114, 37518, 48152, 50024, 51393, 54171, 56277, 68524, 72228, 75036, 78247, 102786, 108342, 112554, 137048, 144456, 150072, 154179, 156494, 205572, 216684, 222703, 225108, 234741, 308358, 312988, 411144, 433368, 445406, 450216, 469482, 616716, 625976, 668109, 704223, 890812, 938964, 1233432, 1336218, 1408446, 1781624, 1877928, 2004327, 2672436, 2816892, 2895139, 4008654, 5344872, 5633784, 5790278, 8017308, 8685417, 11580556, 16034616, 17370834, 23161112, 26056251, 34741668, 52112502, 69483336, 104225004, 208450008]

約数ペア:

[(1, 208450008), (2, 104225004), (3, 69483336), (4, 52112502), (6, 34741668), (8, 26056251), (9, 23161112), (12, 17370834), (13, 16034616), (18, 11580556), (24, 8685417), (26, 8017308), (36, 5790278), (37, 5633784), (39, 5344872), (52, 4008654), (72, 2895139), (74, 2816892), (78, 2672436), (104, 2004327), (111, 1877928), (117, 1781624), (148, 1408446), (156, 1336218), (169, 1233432), (222, 938964), (234, 890812), (296, 704223), (312, 668109), (333, 625976), (338, 616716), (444, 469482), (463, 450216), (468, 445406), (481, 433368), (507, 411144), (666, 312988), (676, 308358), (888, 234741), (926, 225108), (936, 222703), (962, 216684), (1014, 205572), (1332, 156494), (1352, 154179), (1389, 150072), (1443, 144456), (1521, 137048), (1852, 112554), (1924, 108342), (2028, 102786), (2664, 78247), (2778, 75036), (2886, 72228), (3042, 68524), (3704, 56277), (3848, 54171), (4056, 51393), (4167, 50024), (4329, 48152), (5556, 37518), (5772, 36114), (6019, 34632), (6084, 34262), (6253, 33336), (8334, 25012), (8658, 24076), (11112, 18759), (11544, 18057), (12038, 17316), (12168, 17131), (12506, 16668)]