2781709

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:300

約数の個数: 16

約数和(自身を含む): 3352320

約数和(自身を除く): 570611

約数列:

[1, 7, 29, 71, 193, 203, 497, 1351, 2059, 5597, 13703, 14413, 39179, 95921, 397387, 2781709]

約数ペア:

[(1, 2781709), (7, 397387), (29, 95921), (71, 39179), (193, 14413), (203, 13703), (497, 5597), (1351, 2059)]