47720816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20857}}^1$

素因数の和:20889

約数の個数: 40

約数和(自身を含む): 108628464

約数和(自身を除く): 60907648

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 20857, 41714, 83428, 166856, 229427, 271141, 333712, 458854, 542282, 917708, 1084564, 1835416, 2169128, 2982551, 3670832, 4338256, 5965102, 11930204, 23860408, 47720816]

約数ペア:

[(1, 47720816), (2, 23860408), (4, 11930204), (8, 5965102), (11, 4338256), (13, 3670832), (16, 2982551), (22, 2169128), (26, 1835416), (44, 1084564), (52, 917708), (88, 542282), (104, 458854), (143, 333712), (176, 271141), (208, 229427), (286, 166856), (572, 83428), (1144, 41714), (2288, 20857)]