1340905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 1709568

約数和(自身を除く): 368663

約数列:

[1, 5, 31, 41, 155, 205, 211, 1055, 1271, 6355, 6541, 8651, 32705, 43255, 268181, 1340905]

約数ペア:

[(1, 1340905), (5, 268181), (31, 43255), (41, 32705), (155, 8651), (205, 6541), (211, 6355), (1055, 1271)]