77856961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 99525888

約数和(自身を除く): 21668927

約数列:

[1, 7, 13, 43, 91, 101, 197, 301, 559, 707, 1313, 1379, 2561, 3913, 4343, 8471, 9191, 17927, 19897, 30401, 56459, 59297, 110123, 139279, 258661, 395213, 770861, 855571, 1810627, 5988997, 11122423, 77856961]

約数ペア:

[(1, 77856961), (7, 11122423), (13, 5988997), (43, 1810627), (91, 855571), (101, 770861), (197, 395213), (301, 258661), (559, 139279), (707, 110123), (1313, 59297), (1379, 56459), (2561, 30401), (3913, 19897), (4343, 17927), (8471, 9191)]