217876835

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{11617}}^1$

素因数の和:11675

約数の個数: 24

約数和(自身を含む): 296677248

約数和(自身を除く): 78800413

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1705, 3751, 11617, 18755, 58085, 127787, 360127, 638935, 1405657, 1800635, 3961397, 7028285, 19806985, 43575367, 217876835]

約数ペア:

[(1, 217876835), (5, 43575367), (11, 19806985), (31, 7028285), (55, 3961397), (121, 1800635), (155, 1405657), (341, 638935), (605, 360127), (1705, 127787), (3751, 58085), (11617, 18755)]