8218021

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 10139904

約数和(自身を除く): 1921883

約数列:

[1, 7, 17, 53, 119, 371, 901, 1303, 6307, 9121, 22151, 69059, 155057, 483413, 1174003, 8218021]

約数ペア:

[(1, 8218021), (7, 1174003), (17, 483413), (53, 155057), (119, 69059), (371, 22151), (901, 9121), (1303, 6307)]