138931408

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4903}}^1$

素因数の和:4952

約数の個数: 80

約数和(自身を含む): 350263296

約数和(自身を除く): 211331888

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 644, 1012, 1232, 1288, 1771, 2024, 2576, 3542, 4048, 4903, 7084, 9806, 14168, 19612, 28336, 34321, 39224, 53933, 68642, 78448, 107866, 112769, 137284, 215732, 225538, 274568, 377531, 431464, 451076, 549136, 755062, 789383, 862928, 902152, 1240459, 1510124, 1578766, 1804304, 2480918, 3020248, 3157532, 4961836, 6040496, 6315064, 8683213, 9923672, 12630128, 17366426, 19847344, 34732852, 69465704, 138931408]

約数ペア:

[(1, 138931408), (2, 69465704), (4, 34732852), (7, 19847344), (8, 17366426), (11, 12630128), (14, 9923672), (16, 8683213), (22, 6315064), (23, 6040496), (28, 4961836), (44, 3157532), (46, 3020248), (56, 2480918), (77, 1804304), (88, 1578766), (92, 1510124), (112, 1240459), (154, 902152), (161, 862928), (176, 789383), (184, 755062), (253, 549136), (308, 451076), (322, 431464), (368, 377531), (506, 274568), (616, 225538), (644, 215732), (1012, 137284), (1232, 112769), (1288, 107866), (1771, 78448), (2024, 68642), (2576, 53933), (3542, 39224), (4048, 34321), (4903, 28336), (7084, 19612), (9806, 14168)]