25645484

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 46172448

約数和(自身を除く): 20526964

約数列:

[1, 2, 4, 71, 73, 142, 146, 284, 292, 1237, 2474, 4948, 5183, 10366, 20732, 87827, 90301, 175654, 180602, 351308, 361204, 6411371, 12822742, 25645484]

約数ペア:

[(1, 25645484), (2, 12822742), (4, 6411371), (71, 361204), (73, 351308), (142, 180602), (146, 175654), (284, 90301), (292, 87827), (1237, 20732), (2474, 10366), (4948, 5183)]