258977358

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{18661}}^1$

素因数の和:18929

約数の個数: 32

約数和(自身を含む): 577775520

約数和(自身を除く): 318798162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 2313, 4626, 6939, 13878, 18661, 37322, 55983, 111966, 167949, 335898, 503847, 1007694, 4795877, 9591754, 14387631, 28775262, 43162893, 86325786, 129488679, 258977358]

約数ペア:

[(1, 258977358), (2, 129488679), (3, 86325786), (6, 43162893), (9, 28775262), (18, 14387631), (27, 9591754), (54, 4795877), (257, 1007694), (514, 503847), (771, 335898), (1542, 167949), (2313, 111966), (4626, 55983), (6939, 37322), (13878, 18661)]