77821212

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 220539536

約数和(自身を除く): 142718324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 73, 74, 84, 98, 111, 146, 147, 148, 196, 219, 222, 259, 292, 294, 343, 438, 444, 511, 518, 588, 686, 777, 876, 1022, 1029, 1036, 1372, 1533, 1554, 1813, 2044, 2058, 2401, 2701, 3066, 3108, 3577, 3626, 4116, 4802, 5402, 5439, 6132, 7154, 7203, 7252, 8103, 9604, 10731, 10804, 10878, 12691, 14308, 14406, 16206, 18907, 21462, 21756, 25039, 25382, 28812, 32412, 37814, 38073, 42924, 50078, 50764, 56721, 75117, 75628, 76146, 88837, 100156, 113442, 132349, 150234, 152292, 175273, 177674, 226884, 264698, 266511, 300468, 350546, 355348, 397047, 525819, 529396, 533022, 701092, 794094, 926443, 1051638, 1066044, 1588188, 1852886, 2103276, 2779329, 3705772, 5558658, 6485101, 11117316, 12970202, 19455303, 25940404, 38910606, 77821212]

約数ペア:

[(1, 77821212), (2, 38910606), (3, 25940404), (4, 19455303), (6, 12970202), (7, 11117316), (12, 6485101), (14, 5558658), (21, 3705772), (28, 2779329), (37, 2103276), (42, 1852886), (49, 1588188), (73, 1066044), (74, 1051638), (84, 926443), (98, 794094), (111, 701092), (146, 533022), (147, 529396), (148, 525819), (196, 397047), (219, 355348), (222, 350546), (259, 300468), (292, 266511), (294, 264698), (343, 226884), (438, 177674), (444, 175273), (511, 152292), (518, 150234), (588, 132349), (686, 113442), (777, 100156), (876, 88837), (1022, 76146), (1029, 75628), (1036, 75117), (1372, 56721), (1533, 50764), (1554, 50078), (1813, 42924), (2044, 38073), (2058, 37814), (2401, 32412), (2701, 28812), (3066, 25382), (3108, 25039), (3577, 21756), (3626, 21462), (4116, 18907), (4802, 16206), (5402, 14406), (5439, 14308), (6132, 12691), (7154, 10878), (7203, 10804), (7252, 10731), (8103, 9604)]