254377571

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 305819136

約数和(自身を除く): 51441565

約数列:

[1, 7, 41, 49, 127, 287, 889, 997, 2009, 5207, 6223, 6979, 36449, 40877, 48853, 126619, 255143, 286139, 886333, 2002973, 5191379, 6204331, 36339653, 254377571]

約数ペア:

[(1, 254377571), (7, 36339653), (41, 6204331), (49, 5191379), (127, 2002973), (287, 886333), (889, 286139), (997, 255143), (2009, 126619), (5207, 48853), (6223, 40877), (6979, 36449)]