155555906

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{443}}^1\times {\mathrm{1451}}^1$

素因数の和:1918

約数の個数: 24

約数和(自身を含む): 257230512

約数和(自身を除く): 101674606

約数列:

[1, 2, 11, 22, 121, 242, 443, 886, 1451, 2902, 4873, 9746, 15961, 31922, 53603, 107206, 175571, 351142, 642793, 1285586, 7070723, 14141446, 77777953, 155555906]

約数ペア:

[(1, 155555906), (2, 77777953), (11, 14141446), (22, 7070723), (121, 1285586), (242, 642793), (443, 351142), (886, 175571), (1451, 107206), (2902, 53603), (4873, 31922), (9746, 15961)]