128581242

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{691297}}^1$

素因数の和:691333

約数の個数: 16

約数和(自身を含む): 265458432

約数和(自身を除く): 136877190

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 691297, 1382594, 2073891, 4147782, 21430207, 42860414, 64290621, 128581242]

約数ペア:

[(1, 128581242), (2, 64290621), (3, 42860414), (6, 21430207), (31, 4147782), (62, 2073891), (93, 1382594), (186, 691297)]