1980765799585

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{1931}}^1\times {\mathrm{8387}}^1$

素因数の和:10785

約数の個数: 32

約数和(自身を含む): 2423452639104

約数和(自身を除く): 442686839519

約数列:

[1, 5, 61, 305, 401, 1931, 2005, 8387, 9655, 24461, 41935, 117791, 122305, 511607, 588955, 774331, 2558035, 3363187, 3871655, 16195297, 16815935, 47234191, 80976485, 205154407, 236170955, 987913117, 1025772035, 4939565585, 6494314097, 32471570485, 396153159917, 1980765799585]

約数ペア:

[(1, 1980765799585), (5, 396153159917), (61, 32471570485), (305, 6494314097), (401, 4939565585), (1931, 1025772035), (2005, 987913117), (8387, 236170955), (9655, 205154407), (24461, 80976485), (41935, 47234191), (117791, 16815935), (122305, 16195297), (511607, 3871655), (588955, 3363187), (774331, 2558035)]