351639665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{79}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 485345280

約数和(自身を除く): 133705615

約数列:

[1, 5, 13, 31, 47, 65, 79, 155, 235, 395, 403, 611, 1027, 1457, 2015, 2209, 2449, 3055, 3713, 5135, 7285, 11045, 12245, 18565, 18941, 28717, 31837, 48269, 68479, 94705, 115103, 143585, 159185, 174511, 241345, 342395, 575515, 872555, 890227, 1496339, 2268643, 4451135, 5409841, 7481695, 11343215, 27049205, 70327933, 351639665]

約数ペア:

[(1, 351639665), (5, 70327933), (13, 27049205), (31, 11343215), (47, 7481695), (65, 5409841), (79, 4451135), (155, 2268643), (235, 1496339), (395, 890227), (403, 872555), (611, 575515), (1027, 342395), (1457, 241345), (2015, 174511), (2209, 159185), (2449, 143585), (3055, 115103), (3713, 94705), (5135, 68479), (7285, 48269), (11045, 31837), (12245, 28717), (18565, 18941)]