287157065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{5381}}^1$

素因数の和:6220

約数の個数: 16

約数和(自身を含む): 371616336

約数和(自身を除く): 84459271

約数列:

[1, 5, 13, 65, 821, 4105, 5381, 10673, 26905, 53365, 69953, 349765, 4417801, 22089005, 57431413, 287157065]

約数ペア:

[(1, 287157065), (5, 57431413), (13, 22089005), (65, 4417801), (821, 349765), (4105, 69953), (5381, 53365), (10673, 26905)]