8705438

素因数分解:

$2^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:648

約数の個数: 24

約数和(自身を含む): 15298344

約数和(自身を除く): 6592906

約数列:

[1, 2, 7, 14, 49, 98, 211, 421, 422, 842, 1477, 2947, 2954, 5894, 10339, 20629, 20678, 41258, 88831, 177662, 621817, 1243634, 4352719, 8705438]

約数ペア:

[(1, 8705438), (2, 4352719), (7, 1243634), (14, 621817), (49, 177662), (98, 88831), (211, 41258), (421, 20678), (422, 20629), (842, 10339), (1477, 5894), (2947, 2954)]