127591256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72167}}^1$

素因数の和:72203

約数の個数: 32

約数和(自身を含む): 272795040

約数和(自身を除く): 145203784

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 72167, 144334, 288668, 577336, 938171, 1226839, 1876342, 2453678, 3752684, 4907356, 7505368, 9814712, 15948907, 31897814, 63795628, 127591256]

約数ペア:

[(1, 127591256), (2, 63795628), (4, 31897814), (8, 15948907), (13, 9814712), (17, 7505368), (26, 4907356), (34, 3752684), (52, 2453678), (68, 1876342), (104, 1226839), (136, 938171), (221, 577336), (442, 288668), (884, 144334), (1768, 72167)]