287822017

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{1999}}^1$

素因数の和:2380

約数の個数: 16

約数和(自身を含む): 335104000

約数和(自身を除く): 47281983

約数列:

[1, 7, 67, 307, 469, 1999, 2149, 13993, 20569, 133933, 143983, 613693, 937531, 4295851, 41117431, 287822017]

約数ペア:

[(1, 287822017), (7, 41117431), (67, 4295851), (307, 937531), (469, 613693), (1999, 143983), (2149, 133933), (13993, 20569)]