661219585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{22963}}^1$

素因数の和:23424

約数の個数: 16

約数和(自身を含む): 856465344

約数和(自身を除く): 195245759

約数列:

[1, 5, 13, 65, 443, 2215, 5759, 22963, 28795, 114815, 298519, 1492595, 10172609, 50863045, 132243917, 661219585]

約数ペア:

[(1, 661219585), (5, 132243917), (13, 50863045), (65, 10172609), (443, 1492595), (2215, 298519), (5759, 114815), (22963, 28795)]