665622256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{31069}}^1$

素因数の和:31193

約数の個数: 40

約数和(自身を含む): 1402375520

約数和(自身を除く): 736753264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 10712, 21424, 31069, 62138, 124276, 248552, 403897, 497104, 807794, 1615588, 3200107, 3231176, 6400214, 6462352, 12800428, 25600856, 41601391, 51201712, 83202782, 166405564, 332811128, 665622256]

約数ペア:

[(1, 665622256), (2, 332811128), (4, 166405564), (8, 83202782), (13, 51201712), (16, 41601391), (26, 25600856), (52, 12800428), (103, 6462352), (104, 6400214), (206, 3231176), (208, 3200107), (412, 1615588), (824, 807794), (1339, 497104), (1648, 403897), (2678, 248552), (5356, 124276), (10712, 62138), (21424, 31069)]