487971798839

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{19900159}}^1$

素因数の和:19900310

約数の個数: 16

約数和(自身を含む): 580766269440

約数和(自身を除く): 92794470601

約数列:

[1, 7, 31, 113, 217, 791, 3503, 24521, 19900159, 139301113, 616904929, 2248717967, 4318334503, 15741025769, 69710256977, 487971798839]

約数ペア:

[(1, 487971798839), (7, 69710256977), (31, 15741025769), (113, 4318334503), (217, 2248717967), (791, 616904929), (3503, 139301113), (24521, 19900159)]