638242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 16

約数和(自身を含む): 1062432

約数和(自身を除く): 424190

約数列:

[1, 2, 11, 22, 67, 134, 433, 737, 866, 1474, 4763, 9526, 29011, 58022, 319121, 638242]

約数ペア:

[(1, 638242), (2, 319121), (11, 58022), (22, 29011), (67, 9526), (134, 4763), (433, 1474), (737, 866)]