640694504

素因数分解:

$2^3\times {\mathrm{17}}^3\times {\mathrm{16301}}^1$

素因数の和:16358

約数の個数: 32

約数和(自身を含む): 1276446600

約数和(自身を除く): 635752096

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 4913, 9826, 16301, 19652, 32602, 39304, 65204, 130408, 277117, 554234, 1108468, 2216936, 4710989, 9421978, 18843956, 37687912, 80086813, 160173626, 320347252, 640694504]

約数ペア:

[(1, 640694504), (2, 320347252), (4, 160173626), (8, 80086813), (17, 37687912), (34, 18843956), (68, 9421978), (136, 4710989), (289, 2216936), (578, 1108468), (1156, 554234), (2312, 277117), (4913, 130408), (9826, 65204), (16301, 39304), (19652, 32602)]