81407858

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 143616000

約数和(自身を除く): 62208142

約数列:

[1, 2, 7, 14, 43, 86, 271, 301, 499, 542, 602, 998, 1897, 3493, 3794, 6986, 11653, 21457, 23306, 42914, 81571, 135229, 150199, 163142, 270458, 300398, 946603, 1893206, 5814847, 11629694, 40703929, 81407858]

約数ペア:

[(1, 81407858), (2, 40703929), (7, 11629694), (14, 5814847), (43, 1893206), (86, 946603), (271, 300398), (301, 270458), (499, 163142), (542, 150199), (602, 135229), (998, 81571), (1897, 42914), (3493, 23306), (3794, 21457), (6986, 11653)]