40415306

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{1289}}^1$

素因数の和:1609

約数の個数: 16

約数和(自身を含む): 61904520

約数和(自身を除く): 21489214

約数列:

[1, 2, 61, 122, 257, 514, 1289, 2578, 15677, 31354, 78629, 157258, 331273, 662546, 20207653, 40415306]

約数ペア:

[(1, 40415306), (2, 20207653), (61, 662546), (122, 331273), (257, 157258), (514, 78629), (1289, 31354), (2578, 15677)]