128018891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7523}}^1$

素因数の和:7571

約数の個数: 32

約数和(自身を含む): 182020608

約数和(自身を除く): 54001717

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 7523, 17017, 52661, 82753, 97799, 127891, 579271, 684593, 895237, 1075789, 1406801, 1662583, 7530523, 9847607, 11638081, 18288413, 128018891]

約数ペア:

[(1, 128018891), (7, 18288413), (11, 11638081), (13, 9847607), (17, 7530523), (77, 1662583), (91, 1406801), (119, 1075789), (143, 895237), (187, 684593), (221, 579271), (1001, 127891), (1309, 97799), (1547, 82753), (2431, 52661), (7523, 17017)]