28555956

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 89046720

約数和(自身を除く): 60490764

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 43, 44, 52, 54, 66, 78, 86, 99, 108, 117, 129, 132, 143, 156, 172, 198, 234, 258, 286, 297, 351, 387, 396, 429, 468, 473, 516, 559, 572, 594, 702, 774, 858, 946, 1118, 1161, 1188, 1287, 1404, 1419, 1548, 1677, 1716, 1849, 1892, 2236, 2322, 2574, 2838, 3354, 3698, 3861, 4257, 4644, 5031, 5148, 5547, 5676, 6149, 6708, 7396, 7722, 8514, 10062, 11094, 12298, 12771, 15093, 15444, 16641, 17028, 18447, 20124, 20339, 22188, 24037, 24596, 25542, 30186, 33282, 36894, 40678, 48074, 49923, 51084, 55341, 60372, 61017, 66564, 72111, 73788, 81356, 96148, 99846, 110682, 122034, 144222, 166023, 183051, 199692, 216333, 221364, 244068, 264407, 288444, 332046, 366102, 432666, 528814, 549153, 648999, 664092, 732204, 793221, 865332, 1057628, 1098306, 1297998, 1586442, 2196612, 2379663, 2595996, 3172884, 4759326, 7138989, 9518652, 14277978, 28555956]

約数ペア:

[(1, 28555956), (2, 14277978), (3, 9518652), (4, 7138989), (6, 4759326), (9, 3172884), (11, 2595996), (12, 2379663), (13, 2196612), (18, 1586442), (22, 1297998), (26, 1098306), (27, 1057628), (33, 865332), (36, 793221), (39, 732204), (43, 664092), (44, 648999), (52, 549153), (54, 528814), (66, 432666), (78, 366102), (86, 332046), (99, 288444), (108, 264407), (117, 244068), (129, 221364), (132, 216333), (143, 199692), (156, 183051), (172, 166023), (198, 144222), (234, 122034), (258, 110682), (286, 99846), (297, 96148), (351, 81356), (387, 73788), (396, 72111), (429, 66564), (468, 61017), (473, 60372), (516, 55341), (559, 51084), (572, 49923), (594, 48074), (702, 40678), (774, 36894), (858, 33282), (946, 30186), (1118, 25542), (1161, 24596), (1188, 24037), (1287, 22188), (1404, 20339), (1419, 20124), (1548, 18447), (1677, 17028), (1716, 16641), (1849, 15444), (1892, 15093), (2236, 12771), (2322, 12298), (2574, 11094), (2838, 10062), (3354, 8514), (3698, 7722), (3861, 7396), (4257, 6708), (4644, 6149), (5031, 5676), (5148, 5547)]