28345408

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 112

約数和(自身を含む): 71916544

約数和(自身を除く): 43571136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 157, 182, 208, 217, 224, 248, 314, 364, 403, 416, 434, 448, 496, 628, 728, 806, 832, 868, 992, 1099, 1256, 1456, 1612, 1736, 1984, 2041, 2198, 2512, 2821, 2912, 3224, 3472, 4082, 4396, 4867, 5024, 5642, 5824, 6448, 6944, 8164, 8792, 9734, 10048, 11284, 12896, 13888, 14287, 16328, 17584, 19468, 22568, 25792, 28574, 32656, 34069, 35168, 38936, 45136, 57148, 63271, 65312, 68138, 70336, 77872, 90272, 114296, 126542, 130624, 136276, 155744, 180544, 228592, 253084, 272552, 311488, 442897, 457184, 506168, 545104, 885794, 914368, 1012336, 1090208, 1771588, 2024672, 2180416, 3543176, 4049344, 7086352, 14172704, 28345408]

約数ペア:

[(1, 28345408), (2, 14172704), (4, 7086352), (7, 4049344), (8, 3543176), (13, 2180416), (14, 2024672), (16, 1771588), (26, 1090208), (28, 1012336), (31, 914368), (32, 885794), (52, 545104), (56, 506168), (62, 457184), (64, 442897), (91, 311488), (104, 272552), (112, 253084), (124, 228592), (157, 180544), (182, 155744), (208, 136276), (217, 130624), (224, 126542), (248, 114296), (314, 90272), (364, 77872), (403, 70336), (416, 68138), (434, 65312), (448, 63271), (496, 57148), (628, 45136), (728, 38936), (806, 35168), (832, 34069), (868, 32656), (992, 28574), (1099, 25792), (1256, 22568), (1456, 19468), (1612, 17584), (1736, 16328), (1984, 14287), (2041, 13888), (2198, 12896), (2512, 11284), (2821, 10048), (2912, 9734), (3224, 8792), (3472, 8164), (4082, 6944), (4396, 6448), (4867, 5824), (5024, 5642)]