28001792

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:639

約数の個数: 80

約数和(自身を含む): 68974752

約数和(自身を除く): 40972960

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 601, 728, 832, 896, 1202, 1456, 1664, 1792, 2404, 2912, 3328, 3584, 4207, 4808, 5824, 6656, 7813, 8414, 9616, 11648, 15626, 16828, 19232, 23296, 31252, 33656, 38464, 46592, 54691, 62504, 67312, 76928, 109382, 125008, 134624, 153856, 218764, 250016, 269248, 307712, 437528, 500032, 538496, 875056, 1000064, 1076992, 1750112, 2000128, 2153984, 3500224, 4000256, 7000448, 14000896, 28001792]

約数ペア:

[(1, 28001792), (2, 14000896), (4, 7000448), (7, 4000256), (8, 3500224), (13, 2153984), (14, 2000128), (16, 1750112), (26, 1076992), (28, 1000064), (32, 875056), (52, 538496), (56, 500032), (64, 437528), (91, 307712), (104, 269248), (112, 250016), (128, 218764), (182, 153856), (208, 134624), (224, 125008), (256, 109382), (364, 76928), (416, 67312), (448, 62504), (512, 54691), (601, 46592), (728, 38464), (832, 33656), (896, 31252), (1202, 23296), (1456, 19232), (1664, 16828), (1792, 15626), (2404, 11648), (2912, 9616), (3328, 8414), (3584, 7813), (4207, 6656), (4808, 5824)]