28864862

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 50595840

約数和(自身を除く): 21730978

約数列:

[1, 2, 13, 23, 26, 46, 47, 79, 94, 158, 169, 299, 338, 598, 611, 1027, 1081, 1222, 1817, 2054, 2162, 3634, 3713, 3887, 7426, 7774, 7943, 13351, 14053, 15886, 23621, 26702, 28106, 47242, 48269, 85399, 96538, 170798, 182689, 307073, 365378, 614146, 627497, 1110187, 1254994, 2220374, 14432431, 28864862]

約数ペア:

[(1, 28864862), (2, 14432431), (13, 2220374), (23, 1254994), (26, 1110187), (46, 627497), (47, 614146), (79, 365378), (94, 307073), (158, 182689), (169, 170798), (299, 96538), (338, 85399), (598, 48269), (611, 47242), (1027, 28106), (1081, 26702), (1222, 23621), (1817, 15886), (2054, 14053), (2162, 13351), (3634, 7943), (3713, 7774), (3887, 7426)]