2188879

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 2889216

約数和(自身を除く): 700337

約数列:

[1, 7, 11, 31, 49, 77, 131, 217, 341, 539, 917, 1441, 1519, 2387, 4061, 6419, 10087, 16709, 28427, 44671, 70609, 198989, 312697, 2188879]

約数ペア:

[(1, 2188879), (7, 312697), (11, 198989), (31, 70609), (49, 44671), (77, 28427), (131, 16709), (217, 10087), (341, 6419), (539, 4061), (917, 2387), (1441, 1519)]