809258

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 16

約数和(自身を含む): 1270080

約数和(自身を除く): 460822

約数列:

[1, 2, 41, 71, 82, 139, 142, 278, 2911, 5699, 5822, 9869, 11398, 19738, 404629, 809258]

約数ペア:

[(1, 809258), (2, 404629), (41, 19738), (71, 11398), (82, 9869), (139, 5822), (142, 5699), (278, 2911)]