28515536

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 67043328

約数和(自身を除く): 38527792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 43, 56, 62, 86, 112, 124, 172, 191, 217, 248, 301, 344, 382, 434, 496, 602, 688, 764, 868, 1204, 1333, 1337, 1528, 1736, 2408, 2666, 2674, 3056, 3472, 4816, 5332, 5348, 5921, 8213, 9331, 10664, 10696, 11842, 16426, 18662, 21328, 21392, 23684, 32852, 37324, 41447, 47368, 57491, 65704, 74648, 82894, 94736, 114982, 131408, 149296, 165788, 229964, 254603, 331576, 459928, 509206, 663152, 919856, 1018412, 1782221, 2036824, 3564442, 4073648, 7128884, 14257768, 28515536]

約数ペア:

[(1, 28515536), (2, 14257768), (4, 7128884), (7, 4073648), (8, 3564442), (14, 2036824), (16, 1782221), (28, 1018412), (31, 919856), (43, 663152), (56, 509206), (62, 459928), (86, 331576), (112, 254603), (124, 229964), (172, 165788), (191, 149296), (217, 131408), (248, 114982), (301, 94736), (344, 82894), (382, 74648), (434, 65704), (496, 57491), (602, 47368), (688, 41447), (764, 37324), (868, 32852), (1204, 23684), (1333, 21392), (1337, 21328), (1528, 18662), (1736, 16426), (2408, 11842), (2666, 10696), (2674, 10664), (3056, 9331), (3472, 8213), (4816, 5921), (5332, 5348)]