426507985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{19991}}^1$

素因数の和:20264

約数の個数: 16

約数和(自身を含む): 544102272

約数和(自身を除く): 117594287

約数列:

[1, 5, 17, 85, 251, 1255, 4267, 19991, 21335, 99955, 339847, 1699235, 5017741, 25088705, 85301597, 426507985]

約数ペア:

[(1, 426507985), (5, 85301597), (17, 25088705), (85, 5017741), (251, 1699235), (1255, 339847), (4267, 99955), (19991, 21335)]