28881606

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 68802048

約数和(自身を除く): 39920442

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 663, 782, 897, 947, 1173, 1326, 1794, 1894, 2346, 2841, 5083, 5682, 10166, 12311, 15249, 16099, 21781, 24622, 30498, 32198, 36933, 43562, 48297, 65343, 73866, 96594, 130686, 209287, 283153, 370277, 418574, 566306, 627861, 740554, 849459, 1110831, 1255722, 1698918, 2221662, 4813601, 9627202, 14440803, 28881606]

約数ペア:

[(1, 28881606), (2, 14440803), (3, 9627202), (6, 4813601), (13, 2221662), (17, 1698918), (23, 1255722), (26, 1110831), (34, 849459), (39, 740554), (46, 627861), (51, 566306), (69, 418574), (78, 370277), (102, 283153), (138, 209287), (221, 130686), (299, 96594), (391, 73866), (442, 65343), (598, 48297), (663, 43562), (782, 36933), (897, 32198), (947, 30498), (1173, 24622), (1326, 21781), (1794, 16099), (1894, 15249), (2346, 12311), (2841, 10166), (5083, 5682)]