255550256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72271}}^1$

素因数の和:72309

約数の個数: 40

約数和(自身を含む): 564588864

約数和(自身を除く): 309038608

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 72271, 144542, 289084, 578168, 939523, 1156336, 1228607, 1879046, 2457214, 3758092, 4914428, 7516184, 9828856, 15032368, 15971891, 19657712, 31943782, 63887564, 127775128, 255550256]

約数ペア:

[(1, 255550256), (2, 127775128), (4, 63887564), (8, 31943782), (13, 19657712), (16, 15971891), (17, 15032368), (26, 9828856), (34, 7516184), (52, 4914428), (68, 3758092), (104, 2457214), (136, 1879046), (208, 1228607), (221, 1156336), (272, 939523), (442, 578168), (884, 289084), (1768, 144542), (3536, 72271)]