1280451902

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{19471}}^1$

素因数の和:19855

約数の個数: 16

約数和(自身を含む): 1943149824

約数和(自身を除く): 662697922

約数列:

[1, 2, 131, 251, 262, 502, 19471, 32881, 38942, 65762, 2550701, 4887221, 5101402, 9774442, 640225951, 1280451902]

約数ペア:

[(1, 1280451902), (2, 640225951), (131, 9774442), (251, 5101402), (262, 4887221), (502, 2550701), (19471, 65762), (32881, 38942)]