638696784

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2887}}^1$

素因数の和:3328

約数の個数: 80

約数和(自身を含む): 1804884480

約数和(自身を除く): 1166187696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 419, 528, 838, 1257, 1676, 2514, 2887, 3352, 4609, 5028, 5774, 6704, 8661, 9218, 10056, 11548, 13827, 17322, 18436, 20112, 23096, 27654, 31757, 34644, 36872, 46192, 55308, 63514, 69288, 73744, 95271, 110616, 127028, 138576, 190542, 221232, 254056, 381084, 508112, 762168, 1209653, 1524336, 2419306, 3628959, 4838612, 7257918, 9677224, 13306183, 14515836, 19354448, 26612366, 29031672, 39918549, 53224732, 58063344, 79837098, 106449464, 159674196, 212898928, 319348392, 638696784]

約数ペア:

[(1, 638696784), (2, 319348392), (3, 212898928), (4, 159674196), (6, 106449464), (8, 79837098), (11, 58063344), (12, 53224732), (16, 39918549), (22, 29031672), (24, 26612366), (33, 19354448), (44, 14515836), (48, 13306183), (66, 9677224), (88, 7257918), (132, 4838612), (176, 3628959), (264, 2419306), (419, 1524336), (528, 1209653), (838, 762168), (1257, 508112), (1676, 381084), (2514, 254056), (2887, 221232), (3352, 190542), (4609, 138576), (5028, 127028), (5774, 110616), (6704, 95271), (8661, 73744), (9218, 69288), (10056, 63514), (11548, 55308), (13827, 46192), (17322, 36872), (18436, 34644), (20112, 31757), (23096, 27654)]