257000498

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127607}}^1$

素因数の和:127681

約数の個数: 16

約数和(自身を含む): 413449920

約数和(自身を除く): 156449422

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 127607, 255214, 2424533, 4849066, 6763171, 13526342, 128500249, 257000498]

約数ペア:

[(1, 257000498), (2, 128500249), (19, 13526342), (38, 6763171), (53, 4849066), (106, 2424533), (1007, 255214), (2014, 127607)]