28144584

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 85693410

約数和(自身を除く): 57548826

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, 257, 312, 324, 338, 351, 468, 507, 514, 648, 676, 702, 771, 936, 1014, 1028, 1053, 1352, 1404, 1521, 1542, 2028, 2056, 2106, 2313, 2808, 3042, 3084, 3341, 4056, 4212, 4563, 4626, 6084, 6168, 6682, 6939, 8424, 9126, 9252, 10023, 12168, 13364, 13689, 13878, 18252, 18504, 20046, 20817, 26728, 27378, 27756, 30069, 36504, 40092, 41634, 43433, 54756, 55512, 60138, 80184, 83268, 86866, 90207, 109512, 120276, 130299, 166536, 173732, 180414, 240552, 260598, 270621, 347464, 360828, 390897, 521196, 541242, 721656, 781794, 1042392, 1082484, 1172691, 1563588, 2164968, 2345382, 3127176, 3518073, 4690764, 7036146, 9381528, 14072292, 28144584]

約数ペア:

[(1, 28144584), (2, 14072292), (3, 9381528), (4, 7036146), (6, 4690764), (8, 3518073), (9, 3127176), (12, 2345382), (13, 2164968), (18, 1563588), (24, 1172691), (26, 1082484), (27, 1042392), (36, 781794), (39, 721656), (52, 541242), (54, 521196), (72, 390897), (78, 360828), (81, 347464), (104, 270621), (108, 260598), (117, 240552), (156, 180414), (162, 173732), (169, 166536), (216, 130299), (234, 120276), (257, 109512), (312, 90207), (324, 86866), (338, 83268), (351, 80184), (468, 60138), (507, 55512), (514, 54756), (648, 43433), (676, 41634), (702, 40092), (771, 36504), (936, 30069), (1014, 27756), (1028, 27378), (1053, 26728), (1352, 20817), (1404, 20046), (1521, 18504), (1542, 18252), (2028, 13878), (2056, 13689), (2106, 13364), (2313, 12168), (2808, 10023), (3042, 9252), (3084, 9126), (3341, 8424), (4056, 6939), (4212, 6682), (4563, 6168), (4626, 6084)]