81990832

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1178

約数の個数: 80

約数和(自身を含む): 201487104

約数和(自身を除く): 119496272

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 61, 77, 88, 112, 122, 154, 176, 244, 308, 427, 488, 616, 671, 854, 976, 1091, 1232, 1342, 1708, 2182, 2684, 3416, 4364, 4697, 5368, 6832, 7637, 8728, 9394, 10736, 12001, 15274, 17456, 18788, 24002, 30548, 37576, 48004, 61096, 66551, 75152, 84007, 96008, 122192, 133102, 168014, 192016, 266204, 336028, 465857, 532408, 672056, 732061, 931714, 1064816, 1344112, 1464122, 1863428, 2928244, 3726856, 5124427, 5856488, 7453712, 10248854, 11712976, 20497708, 40995416, 81990832]

約数ペア:

[(1, 81990832), (2, 40995416), (4, 20497708), (7, 11712976), (8, 10248854), (11, 7453712), (14, 5856488), (16, 5124427), (22, 3726856), (28, 2928244), (44, 1863428), (56, 1464122), (61, 1344112), (77, 1064816), (88, 931714), (112, 732061), (122, 672056), (154, 532408), (176, 465857), (244, 336028), (308, 266204), (427, 192016), (488, 168014), (616, 133102), (671, 122192), (854, 96008), (976, 84007), (1091, 75152), (1232, 66551), (1342, 61096), (1708, 48004), (2182, 37576), (2684, 30548), (3416, 24002), (4364, 18788), (4697, 17456), (5368, 15274), (6832, 12001), (7637, 10736), (8728, 9394)]