26311219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 31458240

約数和(自身を除く): 5147021

約数列:

[1, 11, 19, 31, 131, 209, 341, 589, 961, 1441, 2489, 4061, 6479, 10571, 18259, 27379, 44671, 77159, 125891, 200849, 848749, 1384801, 2391929, 26311219]

約数ペア:

[(1, 26311219), (11, 2391929), (19, 1384801), (31, 848749), (131, 200849), (209, 125891), (341, 77159), (589, 44671), (961, 27379), (1441, 18259), (2489, 10571), (4061, 6479)]