28205788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31907}}^1$

素因数の和:31941

約数の個数: 24

約数和(自身を含む): 56285712

約数和(自身を除く): 28079924

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 31907, 63814, 127628, 414791, 542419, 829582, 1084838, 1659164, 2169676, 7051447, 14102894, 28205788]

約数ペア:

[(1, 28205788), (2, 14102894), (4, 7051447), (13, 2169676), (17, 1659164), (26, 1084838), (34, 829582), (52, 542419), (68, 414791), (221, 127628), (442, 63814), (884, 31907)]