256304885

素因数分解:

$5^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1\times {\mathrm{617}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 310226112

約数和(自身を除く): 53921227

約数列:

[1, 5, 251, 331, 617, 1255, 1655, 3085, 83081, 154867, 204227, 415405, 774335, 1021135, 51260977, 256304885]

約数ペア:

[(1, 256304885), (5, 51260977), (251, 1021135), (331, 774335), (617, 415405), (1255, 204227), (1655, 154867), (3085, 83081)]