639969008

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{11497}}^1$

素因数の和:11590

約数の個数: 60

約数和(自身を含む): 1462821552

約数和(自身を除く): 822852544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 392, 497, 568, 784, 994, 1136, 1988, 3479, 3976, 6958, 7952, 11497, 13916, 22994, 27832, 45988, 55664, 80479, 91976, 160958, 183952, 321916, 563353, 643832, 816287, 1126706, 1287664, 1632574, 2253412, 3265148, 4506824, 5714009, 6530296, 9013648, 11428018, 13060592, 22856036, 39998063, 45712072, 79996126, 91424144, 159992252, 319984504, 639969008]

約数ペア:

[(1, 639969008), (2, 319984504), (4, 159992252), (7, 91424144), (8, 79996126), (14, 45712072), (16, 39998063), (28, 22856036), (49, 13060592), (56, 11428018), (71, 9013648), (98, 6530296), (112, 5714009), (142, 4506824), (196, 3265148), (284, 2253412), (392, 1632574), (497, 1287664), (568, 1126706), (784, 816287), (994, 643832), (1136, 563353), (1988, 321916), (3479, 183952), (3976, 160958), (6958, 91976), (7952, 80479), (11497, 55664), (13916, 45988), (22994, 27832)]