28091196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5867}}^1$

素因数の和:5903

約数の個数: 72

約数和(自身を含む): 85438080

約数和(自身を除く): 57346884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 5867, 11734, 17601, 23468, 35202, 41069, 52803, 70404, 82138, 105606, 111473, 123207, 164276, 211212, 222946, 246414, 334419, 369621, 445892, 492828, 668838, 739242, 780311, 1003257, 1337676, 1478484, 1560622, 2006514, 2340933, 3121244, 4013028, 4681866, 7022799, 9363732, 14045598, 28091196]

約数ペア:

[(1, 28091196), (2, 14045598), (3, 9363732), (4, 7022799), (6, 4681866), (7, 4013028), (9, 3121244), (12, 2340933), (14, 2006514), (18, 1560622), (19, 1478484), (21, 1337676), (28, 1003257), (36, 780311), (38, 739242), (42, 668838), (57, 492828), (63, 445892), (76, 369621), (84, 334419), (114, 246414), (126, 222946), (133, 211212), (171, 164276), (228, 123207), (252, 111473), (266, 105606), (342, 82138), (399, 70404), (532, 52803), (684, 41069), (798, 35202), (1197, 23468), (1596, 17601), (2394, 11734), (4788, 5867)]