139913478

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{250741}}^1$

素因数の和:250780

約数の個数: 24

約数和(自身を含む): 312926016

約数和(自身を除く): 173012538

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 250741, 501482, 752223, 1504446, 2256669, 4513338, 7772971, 15545942, 23318913, 46637826, 69956739, 139913478]

約数ペア:

[(1, 139913478), (2, 69956739), (3, 46637826), (6, 23318913), (9, 15545942), (18, 7772971), (31, 4513338), (62, 2256669), (93, 1504446), (186, 752223), (279, 501482), (558, 250741)]