319521538

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{2731}}^1$

素因数の和:2938

約数の個数: 32

約数和(自身を含む): 560999808

約数和(自身を除く): 241478270

約数列:

[1, 2, 7, 14, 61, 122, 137, 274, 427, 854, 959, 1918, 2731, 5462, 8357, 16714, 19117, 38234, 58499, 116998, 166591, 333182, 374147, 748294, 1166137, 2332274, 2619029, 5238058, 22822967, 45645934, 159760769, 319521538]

約数ペア:

[(1, 319521538), (2, 159760769), (7, 45645934), (14, 22822967), (61, 5238058), (122, 2619029), (137, 2332274), (274, 1166137), (427, 748294), (854, 374147), (959, 333182), (1918, 166591), (2731, 116998), (5462, 58499), (8357, 38234), (16714, 19117)]