161898572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{33757}}^1$

素因数の和:33881

約数の個数: 24

約数和(自身を含む): 311923920

約数和(自身を除く): 150025348

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 33757, 67514, 135028, 371327, 742654, 1485308, 3679513, 7359026, 14718052, 40474643, 80949286, 161898572]

約数ペア:

[(1, 161898572), (2, 80949286), (4, 40474643), (11, 14718052), (22, 7359026), (44, 3679513), (109, 1485308), (218, 742654), (436, 371327), (1199, 135028), (2398, 67514), (4796, 33757)]