221390848

素因数分解:

$2^{11}\times 7^1\times {\mathrm{15443}}^1$

素因数の和:15472

約数の個数: 48

約数和(自身を含む): 505945440

約数和(自身を除く): 284554592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 7168, 14336, 15443, 30886, 61772, 108101, 123544, 216202, 247088, 432404, 494176, 864808, 988352, 1729616, 1976704, 3459232, 3953408, 6918464, 7906816, 13836928, 15813632, 27673856, 31627264, 55347712, 110695424, 221390848]

約数ペア:

[(1, 221390848), (2, 110695424), (4, 55347712), (7, 31627264), (8, 27673856), (14, 15813632), (16, 13836928), (28, 7906816), (32, 6918464), (56, 3953408), (64, 3459232), (112, 1976704), (128, 1729616), (224, 988352), (256, 864808), (448, 494176), (512, 432404), (896, 247088), (1024, 216202), (1792, 123544), (2048, 108101), (3584, 61772), (7168, 30886), (14336, 15443)]