81845108

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{2971}}^1$

素因数の和:3143

約数の個数: 24

約数和(自身を含む): 146793024

約数和(自身を除く): 64947916

約数列:

[1, 2, 4, 71, 97, 142, 194, 284, 388, 2971, 5942, 6887, 11884, 13774, 27548, 210941, 288187, 421882, 576374, 843764, 1152748, 20461277, 40922554, 81845108]

約数ペア:

[(1, 81845108), (2, 40922554), (4, 20461277), (71, 1152748), (97, 843764), (142, 576374), (194, 421882), (284, 288187), (388, 210941), (2971, 27548), (5942, 13774), (6887, 11884)]