2561716

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 4707584

約数和(自身を除く): 2145868

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 283, 292, 566, 1132, 2263, 4526, 8773, 9052, 17546, 20659, 35092, 41318, 82636, 640429, 1280858, 2561716]

約数ペア:

[(1, 2561716), (2, 1280858), (4, 640429), (31, 82636), (62, 41318), (73, 35092), (124, 20659), (146, 17546), (283, 9052), (292, 8773), (566, 4526), (1132, 2263)]