28078668

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1907}}^1$

素因数の和:2326

約数の個数: 36

約数和(自身を含む): 71187480

約数和(自身を除く): 43108812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1636, 1907, 2454, 3681, 3814, 4908, 5721, 7362, 7628, 11442, 14724, 17163, 22884, 34326, 68652, 779963, 1559926, 2339889, 3119852, 4679778, 7019667, 9359556, 14039334, 28078668]

約数ペア:

[(1, 28078668), (2, 14039334), (3, 9359556), (4, 7019667), (6, 4679778), (9, 3119852), (12, 2339889), (18, 1559926), (36, 779963), (409, 68652), (818, 34326), (1227, 22884), (1636, 17163), (1907, 14724), (2454, 11442), (3681, 7628), (3814, 7362), (4908, 5721)]