28801656

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 87686280

約数和(自身を除く): 58884624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 169, 216, 234, 263, 312, 324, 338, 351, 468, 507, 526, 648, 676, 702, 789, 936, 1014, 1052, 1053, 1352, 1404, 1521, 1578, 2028, 2104, 2106, 2367, 2808, 3042, 3156, 3419, 4056, 4212, 4563, 4734, 6084, 6312, 6838, 7101, 8424, 9126, 9468, 10257, 12168, 13676, 13689, 14202, 18252, 18936, 20514, 21303, 27352, 27378, 28404, 30771, 36504, 41028, 42606, 44447, 54756, 56808, 61542, 82056, 85212, 88894, 92313, 109512, 123084, 133341, 170424, 177788, 184626, 246168, 266682, 276939, 355576, 369252, 400023, 533364, 553878, 738504, 800046, 1066728, 1107756, 1200069, 1600092, 2215512, 2400138, 3200184, 3600207, 4800276, 7200414, 9600552, 14400828, 28801656]

約数ペア:

[(1, 28801656), (2, 14400828), (3, 9600552), (4, 7200414), (6, 4800276), (8, 3600207), (9, 3200184), (12, 2400138), (13, 2215512), (18, 1600092), (24, 1200069), (26, 1107756), (27, 1066728), (36, 800046), (39, 738504), (52, 553878), (54, 533364), (72, 400023), (78, 369252), (81, 355576), (104, 276939), (108, 266682), (117, 246168), (156, 184626), (162, 177788), (169, 170424), (216, 133341), (234, 123084), (263, 109512), (312, 92313), (324, 88894), (338, 85212), (351, 82056), (468, 61542), (507, 56808), (526, 54756), (648, 44447), (676, 42606), (702, 41028), (789, 36504), (936, 30771), (1014, 28404), (1052, 27378), (1053, 27352), (1352, 21303), (1404, 20514), (1521, 18936), (1578, 18252), (2028, 14202), (2104, 13689), (2106, 13676), (2367, 12168), (2808, 10257), (3042, 9468), (3156, 9126), (3419, 8424), (4056, 7101), (4212, 6838), (4563, 6312), (4734, 6084)]