27640984

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 34048616

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 67, 106, 134, 139, 212, 268, 278, 371, 424, 469, 536, 556, 742, 938, 973, 1112, 1484, 1876, 1946, 2968, 3551, 3752, 3892, 7102, 7367, 7784, 9313, 14204, 14734, 18626, 24857, 28408, 29468, 37252, 49714, 51569, 58936, 65191, 74504, 99428, 103138, 130382, 198856, 206276, 260764, 412552, 493589, 521528, 987178, 1974356, 3455123, 3948712, 6910246, 13820492, 27640984]

約数ペア:

[(1, 27640984), (2, 13820492), (4, 6910246), (7, 3948712), (8, 3455123), (14, 1974356), (28, 987178), (53, 521528), (56, 493589), (67, 412552), (106, 260764), (134, 206276), (139, 198856), (212, 130382), (268, 103138), (278, 99428), (371, 74504), (424, 65191), (469, 58936), (536, 51569), (556, 49714), (742, 37252), (938, 29468), (973, 28408), (1112, 24857), (1484, 18626), (1876, 14734), (1946, 14204), (2968, 9313), (3551, 7784), (3752, 7367), (3892, 7102)]