28640196

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20399}}^1$

素因数の和:20425

約数の個数: 48

約数和(自身を含む): 79968000

約数和(自身を除く): 51327804

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20399, 40798, 61197, 81596, 122394, 183591, 244788, 265187, 367182, 530374, 550773, 734364, 795561, 1060748, 1101546, 1591122, 2203092, 2386683, 3182244, 4773366, 7160049, 9546732, 14320098, 28640196]

約数ペア:

[(1, 28640196), (2, 14320098), (3, 9546732), (4, 7160049), (6, 4773366), (9, 3182244), (12, 2386683), (13, 2203092), (18, 1591122), (26, 1101546), (27, 1060748), (36, 795561), (39, 734364), (52, 550773), (54, 530374), (78, 367182), (108, 265187), (117, 244788), (156, 183591), (234, 122394), (351, 81596), (468, 61197), (702, 40798), (1404, 20399)]