68897857

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 87736320

約数和(自身を除く): 18838463

約数列:

[1, 7, 19, 23, 101, 133, 161, 223, 437, 707, 1561, 1919, 2323, 3059, 4237, 5129, 13433, 16261, 22523, 29659, 35903, 44137, 97451, 157661, 308959, 427937, 518029, 682157, 2995559, 3626203, 9842551, 68897857]

約数ペア:

[(1, 68897857), (7, 9842551), (19, 3626203), (23, 2995559), (101, 682157), (133, 518029), (161, 427937), (223, 308959), (437, 157661), (707, 97451), (1561, 44137), (1919, 35903), (2323, 29659), (3059, 22523), (4237, 16261), (5129, 13433)]