8420995

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 11491200

約数和(自身を除く): 3070205

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 449, 605, 1705, 2245, 3751, 4939, 13919, 18755, 24695, 54329, 69595, 153109, 271645, 765545, 1684199, 8420995]

約数ペア:

[(1, 8420995), (5, 1684199), (11, 765545), (31, 271645), (55, 153109), (121, 69595), (155, 54329), (341, 24695), (449, 18755), (605, 13919), (1705, 4939), (2245, 3751)]