78398038

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1419

約数の個数: 16

約数和(自身を含む): 119149056

約数和(自身を除く): 40751018

約数列:

[1, 2, 103, 206, 431, 862, 883, 1766, 44393, 88786, 90949, 181898, 380573, 761146, 39199019, 78398038]

約数ペア:

[(1, 78398038), (2, 39199019), (103, 761146), (206, 380573), (431, 181898), (862, 90949), (883, 88786), (1766, 44393)]