28739144

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 65629440

約数和(自身を除く): 36890296

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 53, 56, 92, 106, 161, 184, 212, 322, 371, 421, 424, 644, 742, 842, 1219, 1288, 1484, 1684, 2438, 2947, 2968, 3368, 4876, 5894, 8533, 9683, 9752, 11788, 17066, 19366, 22313, 23576, 34132, 38732, 44626, 67781, 68264, 77464, 89252, 135562, 156191, 178504, 271124, 312382, 513199, 542248, 624764, 1026398, 1249528, 2052796, 3592393, 4105592, 7184786, 14369572, 28739144]

約数ペア:

[(1, 28739144), (2, 14369572), (4, 7184786), (7, 4105592), (8, 3592393), (14, 2052796), (23, 1249528), (28, 1026398), (46, 624764), (53, 542248), (56, 513199), (92, 312382), (106, 271124), (161, 178504), (184, 156191), (212, 135562), (322, 89252), (371, 77464), (421, 68264), (424, 67781), (644, 44626), (742, 38732), (842, 34132), (1219, 23576), (1288, 22313), (1484, 19366), (1684, 17066), (2438, 11788), (2947, 9752), (2968, 9683), (3368, 8533), (4876, 5894)]