201691255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 262393344

約数和(自身を除く): 60702089

約数列:

[1, 5, 23, 37, 107, 115, 185, 443, 535, 851, 2215, 2461, 3959, 4255, 10189, 12305, 16391, 19795, 47401, 50945, 81955, 91057, 237005, 376993, 455285, 1090223, 1753837, 1884965, 5451115, 8769185, 40338251, 201691255]

約数ペア:

[(1, 201691255), (5, 40338251), (23, 8769185), (37, 5451115), (107, 1884965), (115, 1753837), (185, 1090223), (443, 455285), (535, 376993), (851, 237005), (2215, 91057), (2461, 81955), (3959, 50945), (4255, 47401), (10189, 19795), (12305, 16391)]