47139508

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 90156780

約数和(自身を除く): 43017272

約数列:

[1, 2, 4, 13, 26, 52, 137, 169, 274, 338, 509, 548, 676, 1018, 1781, 2036, 3562, 6617, 7124, 13234, 23153, 26468, 46306, 69733, 86021, 92612, 139466, 172042, 278932, 344084, 906529, 1813058, 3626116, 11784877, 23569754, 47139508]

約数ペア:

[(1, 47139508), (2, 23569754), (4, 11784877), (13, 3626116), (26, 1813058), (52, 906529), (137, 344084), (169, 278932), (274, 172042), (338, 139466), (509, 92612), (548, 86021), (676, 69733), (1018, 46306), (1781, 26468), (2036, 23153), (3562, 13234), (6617, 7124)]