81874208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2029}}^1$

素因数の和:2149

約数の個数: 48

約数和(自身を含む): 175465080

約数和(自身を除く): 93590872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 97, 104, 194, 208, 388, 416, 776, 1261, 1552, 2029, 2522, 3104, 4058, 5044, 8116, 10088, 16232, 20176, 26377, 32464, 40352, 52754, 64928, 105508, 196813, 211016, 393626, 422032, 787252, 844064, 1574504, 2558569, 3149008, 5117138, 6298016, 10234276, 20468552, 40937104, 81874208]

約数ペア:

[(1, 81874208), (2, 40937104), (4, 20468552), (8, 10234276), (13, 6298016), (16, 5117138), (26, 3149008), (32, 2558569), (52, 1574504), (97, 844064), (104, 787252), (194, 422032), (208, 393626), (388, 211016), (416, 196813), (776, 105508), (1261, 64928), (1552, 52754), (2029, 40352), (2522, 32464), (3104, 26377), (4058, 20176), (5044, 16232), (8116, 10088)]