2156128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 4699296

約数和(自身を除く): 2543168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 73, 104, 142, 146, 208, 284, 292, 416, 568, 584, 923, 949, 1136, 1168, 1846, 1898, 2272, 2336, 3692, 3796, 5183, 7384, 7592, 10366, 14768, 15184, 20732, 29536, 30368, 41464, 67379, 82928, 134758, 165856, 269516, 539032, 1078064, 2156128]

約数ペア:

[(1, 2156128), (2, 1078064), (4, 539032), (8, 269516), (13, 165856), (16, 134758), (26, 82928), (32, 67379), (52, 41464), (71, 30368), (73, 29536), (104, 20732), (142, 15184), (146, 14768), (208, 10366), (284, 7592), (292, 7384), (416, 5183), (568, 3796), (584, 3692), (923, 2336), (949, 2272), (1136, 1898), (1168, 1846)]