201991295995

素因数分解:

$5^1\times {\mathrm{223}}^1\times {\mathrm{4021}}^1\times {\mathrm{45053}}^1$

素因数の和:49302

約数の個数: 16

約数和(自身を含む): 243542460672

約数和(自身を除く): 41551164677

約数列:

[1, 5, 223, 1115, 4021, 20105, 45053, 225265, 896683, 4483415, 10046819, 50234095, 181158113, 905790565, 40398259199, 201991295995]

約数ペア:

[(1, 201991295995), (5, 40398259199), (223, 905790565), (1115, 181158113), (4021, 50234095), (20105, 10046819), (45053, 4483415), (225265, 896683)]