28457312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 61295472

約数和(自身を除く): 32838160

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 871, 1021, 1072, 1742, 2042, 2144, 3484, 4084, 6968, 8168, 13273, 13936, 16336, 26546, 27872, 32672, 53092, 68407, 106184, 136814, 212368, 273628, 424736, 547256, 889291, 1094512, 1778582, 2189024, 3557164, 7114328, 14228656, 28457312]

約数ペア:

[(1, 28457312), (2, 14228656), (4, 7114328), (8, 3557164), (13, 2189024), (16, 1778582), (26, 1094512), (32, 889291), (52, 547256), (67, 424736), (104, 273628), (134, 212368), (208, 136814), (268, 106184), (416, 68407), (536, 53092), (871, 32672), (1021, 27872), (1072, 26546), (1742, 16336), (2042, 13936), (2144, 13273), (3484, 8168), (4084, 6968)]