16868495

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 24317568

約数和(自身を除く): 7449073

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 2221, 7595, 11105, 15547, 68851, 77735, 108829, 344255, 481957, 544145, 2409785, 3373699, 16868495]

約数ペア:

[(1, 16868495), (5, 3373699), (7, 2409785), (31, 544145), (35, 481957), (49, 344255), (155, 108829), (217, 77735), (245, 68851), (1085, 15547), (1519, 11105), (2221, 7595)]