68320168

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 150796800

約数和(自身を除く): 82476632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 131, 134, 139, 262, 268, 278, 469, 524, 536, 556, 917, 938, 973, 1048, 1112, 1834, 1876, 1946, 3668, 3752, 3892, 7336, 7784, 8777, 9313, 17554, 18209, 18626, 35108, 36418, 37252, 61439, 65191, 70216, 72836, 74504, 122878, 127463, 130382, 145672, 245756, 254926, 260764, 491512, 509852, 521528, 1019704, 1220003, 2440006, 4880012, 8540021, 9760024, 17080042, 34160084, 68320168]

約数ペア:

[(1, 68320168), (2, 34160084), (4, 17080042), (7, 9760024), (8, 8540021), (14, 4880012), (28, 2440006), (56, 1220003), (67, 1019704), (131, 521528), (134, 509852), (139, 491512), (262, 260764), (268, 254926), (278, 245756), (469, 145672), (524, 130382), (536, 127463), (556, 122878), (917, 74504), (938, 72836), (973, 70216), (1048, 65191), (1112, 61439), (1834, 37252), (1876, 36418), (1946, 35108), (3668, 18626), (3752, 18209), (3892, 17554), (7336, 9313), (7784, 8777)]