127775128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72271}}^1$

素因数の和:72307

約数の個数: 32

約数和(自身を含む): 273188160

約数和(自身を除く): 145413032

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 72271, 144542, 289084, 578168, 939523, 1228607, 1879046, 2457214, 3758092, 4914428, 7516184, 9828856, 15971891, 31943782, 63887564, 127775128]

約数ペア:

[(1, 127775128), (2, 63887564), (4, 31943782), (8, 15971891), (13, 9828856), (17, 7516184), (26, 4914428), (34, 3758092), (52, 2457214), (68, 1879046), (104, 1228607), (136, 939523), (221, 578168), (442, 289084), (884, 144542), (1768, 72271)]