138388510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28771}}^1$

素因数の和:28828

約数の個数: 32

約数和(自身を含む): 275520672

約数和(自身を除く): 137132162

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 28771, 57542, 143855, 287710, 374023, 748046, 1064527, 1870115, 2129054, 3740230, 5322635, 10645270, 13838851, 27677702, 69194255, 138388510]

約数ペア:

[(1, 138388510), (2, 69194255), (5, 27677702), (10, 13838851), (13, 10645270), (26, 5322635), (37, 3740230), (65, 2129054), (74, 1870115), (130, 1064527), (185, 748046), (370, 374023), (481, 287710), (962, 143855), (2405, 57542), (4810, 28771)]