128575456

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1613}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 263559744

約数和(自身を除く): 134984288

約数列:

[1, 2, 4, 8, 16, 32, 47, 53, 94, 106, 188, 212, 376, 424, 752, 848, 1504, 1613, 1696, 2491, 3226, 4982, 6452, 9964, 12904, 19928, 25808, 39856, 51616, 75811, 79712, 85489, 151622, 170978, 303244, 341956, 606488, 683912, 1212976, 1367824, 2425952, 2735648, 4017983, 8035966, 16071932, 32143864, 64287728, 128575456]

約数ペア:

[(1, 128575456), (2, 64287728), (4, 32143864), (8, 16071932), (16, 8035966), (32, 4017983), (47, 2735648), (53, 2425952), (94, 1367824), (106, 1212976), (188, 683912), (212, 606488), (376, 341956), (424, 303244), (752, 170978), (848, 151622), (1504, 85489), (1613, 79712), (1696, 75811), (2491, 51616), (3226, 39856), (4982, 25808), (6452, 19928), (9964, 12904)]