81507538

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{941}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 146499840

約数和(自身を除く): 64992302

約数列:

[1, 2, 7, 14, 23, 46, 161, 269, 322, 538, 941, 1882, 1883, 3766, 6187, 6587, 12374, 13174, 21643, 43286, 43309, 86618, 151501, 253129, 303002, 506258, 1771903, 3543806, 5821967, 11643934, 40753769, 81507538]

約数ペア:

[(1, 81507538), (2, 40753769), (7, 11643934), (14, 5821967), (23, 3543806), (46, 1771903), (161, 506258), (269, 303002), (322, 253129), (538, 151501), (941, 86618), (1882, 43309), (1883, 43286), (3766, 21643), (6187, 13174), (6587, 12374)]