12940345

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 17361288

約数和(自身を除く): 4420943

約数列:

[1, 5, 11, 55, 73, 121, 293, 365, 605, 803, 1465, 3223, 4015, 8833, 16115, 21389, 35453, 44165, 106945, 177265, 235279, 1176395, 2588069, 12940345]

約数ペア:

[(1, 12940345), (5, 2588069), (11, 1176395), (55, 235279), (73, 177265), (121, 106945), (293, 44165), (365, 35453), (605, 21389), (803, 16115), (1465, 8833), (3223, 4015)]