64904728

素因数分解:

$2^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2753}}^1$

素因数の和:3187

約数の個数: 32

約数和(自身を含む): 139462560

約数和(自身を除く): 74557832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 421, 842, 1684, 2753, 2947, 3368, 5506, 5894, 11012, 11788, 19271, 22024, 23576, 38542, 77084, 154168, 1159013, 2318026, 4636052, 8113091, 9272104, 16226182, 32452364, 64904728]

約数ペア:

[(1, 64904728), (2, 32452364), (4, 16226182), (7, 9272104), (8, 8113091), (14, 4636052), (28, 2318026), (56, 1159013), (421, 154168), (842, 77084), (1684, 38542), (2753, 23576), (2947, 22024), (3368, 19271), (5506, 11788), (5894, 11012)]