211804580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{814633}}^1$

素因数の和:814655

約数の個数: 24

約数和(自身を含む): 479004792

約数和(自身を除く): 267200212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 814633, 1629266, 3258532, 4073165, 8146330, 10590229, 16292660, 21180458, 42360916, 52951145, 105902290, 211804580]

約数ペア:

[(1, 211804580), (2, 105902290), (4, 52951145), (5, 42360916), (10, 21180458), (13, 16292660), (20, 10590229), (26, 8146330), (52, 4073165), (65, 3258532), (130, 1629266), (260, 814633)]