81405958

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{23789}}^1$

素因数の和:23879

約数の個数: 16

約数和(自身を含む): 128466000

約数和(自身を除く): 47060042

約数列:

[1, 2, 29, 58, 59, 118, 1711, 3422, 23789, 47578, 689881, 1379762, 1403551, 2807102, 40702979, 81405958]

約数ペア:

[(1, 81405958), (2, 40702979), (29, 2807102), (58, 1403551), (59, 1379762), (118, 689881), (1711, 47578), (3422, 23789)]