28478828

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{17239}}^1$

素因数の和:17309

約数の個数: 24

約数和(自身を含む): 57926400

約数和(自身を除く): 29447572

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 17239, 34478, 68956, 120673, 241346, 482692, 1017101, 2034202, 4068404, 7119707, 14239414, 28478828]

約数ペア:

[(1, 28478828), (2, 14239414), (4, 7119707), (7, 4068404), (14, 2034202), (28, 1017101), (59, 482692), (118, 241346), (236, 120673), (413, 68956), (826, 34478), (1652, 17239)]