163952165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6451}}^1$

素因数の和:6509

約数の個数: 32

約数和(自身を含む): 234130176

約数和(自身を除く): 70178011

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 6451, 25415, 32255, 83863, 109667, 148373, 419315, 548335, 741865, 1425671, 1928849, 2522341, 7128355, 9644245, 12611705, 32790433, 163952165]

約数ペア:

[(1, 163952165), (5, 32790433), (13, 12611705), (17, 9644245), (23, 7128355), (65, 2522341), (85, 1928849), (115, 1425671), (221, 741865), (299, 548335), (391, 419315), (1105, 148373), (1495, 109667), (1955, 83863), (5083, 32255), (6451, 25415)]