157219559

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 194641920

約数和(自身を除く): 37422361

約数列:

[1, 7, 23, 47, 79, 161, 263, 329, 553, 1081, 1817, 1841, 3713, 6049, 7567, 12361, 12719, 20777, 25991, 42343, 85399, 86527, 145439, 284303, 477871, 597793, 976519, 1990121, 3345097, 6835633, 22459937, 157219559]

約数ペア:

[(1, 157219559), (7, 22459937), (23, 6835633), (47, 3345097), (79, 1990121), (161, 976519), (263, 597793), (329, 477871), (553, 284303), (1081, 145439), (1817, 86527), (1841, 85399), (3713, 42343), (6049, 25991), (7567, 20777), (12361, 12719)]