28421624

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 72230400

約数和(自身を除く): 43808776

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 37, 43, 44, 56, 58, 74, 77, 86, 88, 116, 148, 154, 172, 203, 232, 259, 296, 301, 308, 319, 344, 406, 407, 473, 518, 602, 616, 638, 812, 814, 946, 1036, 1073, 1204, 1247, 1276, 1591, 1624, 1628, 1892, 2072, 2146, 2233, 2408, 2494, 2552, 2849, 3182, 3256, 3311, 3784, 4292, 4466, 4988, 5698, 6364, 6622, 7511, 8584, 8729, 8932, 9976, 11137, 11396, 11803, 12728, 13244, 13717, 15022, 17458, 17501, 17864, 22274, 22792, 23606, 26488, 27434, 30044, 34916, 35002, 44548, 46139, 47212, 54868, 60088, 69832, 70004, 82621, 89096, 92278, 94424, 96019, 109736, 122507, 140008, 165242, 184556, 192038, 245014, 322973, 330484, 369112, 384076, 490028, 507529, 645946, 660968, 768152, 980056, 1015058, 1291892, 2030116, 2583784, 3552703, 4060232, 7105406, 14210812, 28421624]

約数ペア:

[(1, 28421624), (2, 14210812), (4, 7105406), (7, 4060232), (8, 3552703), (11, 2583784), (14, 2030116), (22, 1291892), (28, 1015058), (29, 980056), (37, 768152), (43, 660968), (44, 645946), (56, 507529), (58, 490028), (74, 384076), (77, 369112), (86, 330484), (88, 322973), (116, 245014), (148, 192038), (154, 184556), (172, 165242), (203, 140008), (232, 122507), (259, 109736), (296, 96019), (301, 94424), (308, 92278), (319, 89096), (344, 82621), (406, 70004), (407, 69832), (473, 60088), (518, 54868), (602, 47212), (616, 46139), (638, 44548), (812, 35002), (814, 34916), (946, 30044), (1036, 27434), (1073, 26488), (1204, 23606), (1247, 22792), (1276, 22274), (1591, 17864), (1624, 17501), (1628, 17458), (1892, 15022), (2072, 13717), (2146, 13244), (2233, 12728), (2408, 11803), (2494, 11396), (2552, 11137), (2849, 9976), (3182, 8932), (3256, 8729), (3311, 8584), (3784, 7511), (4292, 6622), (4466, 6364), (4988, 5698)]