28825664

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 84

約数和(自身を含む): 68616576

約数和(自身を除く): 39790912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 47, 56, 64, 74, 94, 112, 148, 188, 224, 259, 296, 329, 376, 448, 518, 592, 658, 752, 1036, 1184, 1316, 1369, 1504, 1739, 2072, 2368, 2632, 2738, 3008, 3478, 4144, 5264, 5476, 6956, 8288, 9583, 10528, 10952, 12173, 13912, 16576, 19166, 21056, 21904, 24346, 27824, 38332, 43808, 48692, 55648, 64343, 76664, 87616, 97384, 111296, 128686, 153328, 194768, 257372, 306656, 389536, 450401, 514744, 613312, 779072, 900802, 1029488, 1801604, 2058976, 3603208, 4117952, 7206416, 14412832, 28825664]

約数ペア:

[(1, 28825664), (2, 14412832), (4, 7206416), (7, 4117952), (8, 3603208), (14, 2058976), (16, 1801604), (28, 1029488), (32, 900802), (37, 779072), (47, 613312), (56, 514744), (64, 450401), (74, 389536), (94, 306656), (112, 257372), (148, 194768), (188, 153328), (224, 128686), (259, 111296), (296, 97384), (329, 87616), (376, 76664), (448, 64343), (518, 55648), (592, 48692), (658, 43808), (752, 38332), (1036, 27824), (1184, 24346), (1316, 21904), (1369, 21056), (1504, 19166), (1739, 16576), (2072, 13912), (2368, 12173), (2632, 10952), (2738, 10528), (3008, 9583), (3478, 8288), (4144, 6956), (5264, 5476)]