81417856

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 176629320

約数和(自身を除く): 95211464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 113, 128, 208, 226, 416, 433, 452, 832, 866, 904, 1469, 1664, 1732, 1808, 2938, 3464, 3616, 5629, 5876, 6928, 7232, 11258, 11752, 13856, 14464, 22516, 23504, 27712, 45032, 47008, 48929, 55424, 90064, 94016, 97858, 180128, 188032, 195716, 360256, 391432, 636077, 720512, 782864, 1272154, 1565728, 2544308, 3131456, 5088616, 6262912, 10177232, 20354464, 40708928, 81417856]

約数ペア:

[(1, 81417856), (2, 40708928), (4, 20354464), (8, 10177232), (13, 6262912), (16, 5088616), (26, 3131456), (32, 2544308), (52, 1565728), (64, 1272154), (104, 782864), (113, 720512), (128, 636077), (208, 391432), (226, 360256), (416, 195716), (433, 188032), (452, 180128), (832, 97858), (866, 94016), (904, 90064), (1469, 55424), (1664, 48929), (1732, 47008), (1808, 45032), (2938, 27712), (3464, 23504), (3616, 22516), (5629, 14464), (5876, 13856), (6928, 11752), (7232, 11258)]