28820792

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 74995200

約数和(自身を除く): 46174408

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 59, 61, 77, 88, 91, 104, 118, 122, 143, 154, 182, 236, 244, 286, 308, 364, 413, 427, 472, 488, 572, 616, 649, 671, 728, 767, 793, 826, 854, 1001, 1144, 1298, 1342, 1534, 1586, 1652, 1708, 2002, 2596, 2684, 3068, 3172, 3304, 3416, 3599, 4004, 4543, 4697, 5192, 5368, 5369, 5551, 6136, 6344, 7198, 8008, 8437, 8723, 9086, 9394, 10738, 11102, 14396, 16874, 17446, 18172, 18788, 21476, 22204, 25193, 28792, 33748, 34892, 36344, 37576, 39589, 42952, 44408, 46787, 50386, 59059, 61061, 67496, 69784, 79178, 93574, 100772, 118118, 122122, 158356, 187148, 201544, 236236, 244244, 277123, 316712, 327509, 374296, 472472, 488488, 514657, 554246, 655018, 1029314, 1108492, 1310036, 2058628, 2216984, 2620072, 3602599, 4117256, 7205198, 14410396, 28820792]

約数ペア:

[(1, 28820792), (2, 14410396), (4, 7205198), (7, 4117256), (8, 3602599), (11, 2620072), (13, 2216984), (14, 2058628), (22, 1310036), (26, 1108492), (28, 1029314), (44, 655018), (52, 554246), (56, 514657), (59, 488488), (61, 472472), (77, 374296), (88, 327509), (91, 316712), (104, 277123), (118, 244244), (122, 236236), (143, 201544), (154, 187148), (182, 158356), (236, 122122), (244, 118118), (286, 100772), (308, 93574), (364, 79178), (413, 69784), (427, 67496), (472, 61061), (488, 59059), (572, 50386), (616, 46787), (649, 44408), (671, 42952), (728, 39589), (767, 37576), (793, 36344), (826, 34892), (854, 33748), (1001, 28792), (1144, 25193), (1298, 22204), (1342, 21476), (1534, 18788), (1586, 18172), (1652, 17446), (1708, 16874), (2002, 14396), (2596, 11102), (2684, 10738), (3068, 9394), (3172, 9086), (3304, 8723), (3416, 8437), (3599, 8008), (4004, 7198), (4543, 6344), (4697, 6136), (5192, 5551), (5368, 5369)]