664804816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 1443657600

約数和(自身を除く): 778852784

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 307, 359, 377, 464, 614, 718, 754, 1228, 1436, 1508, 2456, 2872, 3016, 3991, 4667, 4912, 5744, 6032, 7982, 8903, 9334, 10411, 15964, 17806, 18668, 20822, 31928, 35612, 37336, 41644, 63856, 71224, 74672, 83288, 110213, 115739, 135343, 142448, 166576, 220426, 231478, 270686, 440852, 462956, 541372, 881704, 925912, 1082744, 1432769, 1763408, 1851824, 2165488, 2865538, 3196177, 5731076, 6392354, 11462152, 12784708, 22924304, 25569416, 41550301, 51138832, 83100602, 166201204, 332402408, 664804816]

約数ペア:

[(1, 664804816), (2, 332402408), (4, 166201204), (8, 83100602), (13, 51138832), (16, 41550301), (26, 25569416), (29, 22924304), (52, 12784708), (58, 11462152), (104, 6392354), (116, 5731076), (208, 3196177), (232, 2865538), (307, 2165488), (359, 1851824), (377, 1763408), (464, 1432769), (614, 1082744), (718, 925912), (754, 881704), (1228, 541372), (1436, 462956), (1508, 440852), (2456, 270686), (2872, 231478), (3016, 220426), (3991, 166576), (4667, 142448), (4912, 135343), (5744, 115739), (6032, 110213), (7982, 83288), (8903, 74672), (9334, 71224), (10411, 63856), (15964, 41644), (17806, 37336), (18668, 35612), (20822, 31928)]