81573856

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 200249280

約数和(自身を除く): 118675424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 109, 112, 182, 208, 218, 224, 257, 364, 416, 436, 514, 728, 763, 872, 1028, 1417, 1456, 1526, 1744, 1799, 2056, 2834, 2912, 3052, 3341, 3488, 3598, 4112, 5668, 6104, 6682, 7196, 8224, 9919, 11336, 12208, 13364, 14392, 19838, 22672, 23387, 24416, 26728, 28013, 28784, 39676, 45344, 46774, 53456, 56026, 57568, 79352, 93548, 106912, 112052, 158704, 187096, 196091, 224104, 317408, 364169, 374192, 392182, 448208, 728338, 748384, 784364, 896416, 1456676, 1568728, 2549183, 2913352, 3137456, 5098366, 5826704, 6274912, 10196732, 11653408, 20393464, 40786928, 81573856]

約数ペア:

[(1, 81573856), (2, 40786928), (4, 20393464), (7, 11653408), (8, 10196732), (13, 6274912), (14, 5826704), (16, 5098366), (26, 3137456), (28, 2913352), (32, 2549183), (52, 1568728), (56, 1456676), (91, 896416), (104, 784364), (109, 748384), (112, 728338), (182, 448208), (208, 392182), (218, 374192), (224, 364169), (257, 317408), (364, 224104), (416, 196091), (436, 187096), (514, 158704), (728, 112052), (763, 106912), (872, 93548), (1028, 79352), (1417, 57568), (1456, 56026), (1526, 53456), (1744, 46774), (1799, 45344), (2056, 39676), (2834, 28784), (2912, 28013), (3052, 26728), (3341, 24416), (3488, 23387), (3598, 22672), (4112, 19838), (5668, 14392), (6104, 13364), (6682, 12208), (7196, 11336), (8224, 9919)]