28478898

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 75513600

約数和(自身を除く): 47034702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 49, 54, 63, 94, 98, 126, 141, 147, 189, 229, 282, 294, 329, 378, 423, 441, 458, 658, 687, 846, 882, 987, 1269, 1323, 1374, 1603, 1974, 2061, 2303, 2538, 2646, 2961, 3206, 4122, 4606, 4809, 5922, 6183, 6909, 8883, 9618, 10763, 11221, 12366, 13818, 14427, 17766, 20727, 21526, 22442, 28854, 32289, 33663, 41454, 43281, 62181, 64578, 67326, 75341, 86562, 96867, 100989, 124362, 150682, 193734, 201978, 226023, 290601, 302967, 452046, 527387, 581202, 605934, 678069, 1054774, 1356138, 1582161, 2034207, 3164322, 4068414, 4746483, 9492966, 14239449, 28478898]

約数ペア:

[(1, 28478898), (2, 14239449), (3, 9492966), (6, 4746483), (7, 4068414), (9, 3164322), (14, 2034207), (18, 1582161), (21, 1356138), (27, 1054774), (42, 678069), (47, 605934), (49, 581202), (54, 527387), (63, 452046), (94, 302967), (98, 290601), (126, 226023), (141, 201978), (147, 193734), (189, 150682), (229, 124362), (282, 100989), (294, 96867), (329, 86562), (378, 75341), (423, 67326), (441, 64578), (458, 62181), (658, 43281), (687, 41454), (846, 33663), (882, 32289), (987, 28854), (1269, 22442), (1323, 21526), (1374, 20727), (1603, 17766), (1974, 14427), (2061, 13818), (2303, 12366), (2538, 11221), (2646, 10763), (2961, 9618), (3206, 8883), (4122, 6909), (4606, 6183), (4809, 5922)]