128567368

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{491}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 245488320

約数和(自身を除く): 116920952

約数列:

[1, 2, 4, 8, 71, 142, 284, 461, 491, 568, 922, 982, 1844, 1964, 3688, 3928, 32731, 34861, 65462, 69722, 130924, 139444, 226351, 261848, 278888, 452702, 905404, 1810808, 16070921, 32141842, 64283684, 128567368]

約数ペア:

[(1, 128567368), (2, 64283684), (4, 32141842), (8, 16070921), (71, 1810808), (142, 905404), (284, 452702), (461, 278888), (491, 261848), (568, 226351), (922, 139444), (982, 130924), (1844, 69722), (1964, 65462), (3688, 34861), (3928, 32731)]