219889072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{1759}}^1$

素因数の和:2381

約数の個数: 40

約数和(自身を含む): 459831680

約数和(自身を除く): 239942608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 601, 1202, 1759, 2404, 3518, 4808, 7036, 7813, 9616, 14072, 15626, 22867, 28144, 31252, 45734, 62504, 91468, 125008, 182936, 365872, 1057159, 2114318, 4228636, 8457272, 13743067, 16914544, 27486134, 54972268, 109944536, 219889072]

約数ペア:

[(1, 219889072), (2, 109944536), (4, 54972268), (8, 27486134), (13, 16914544), (16, 13743067), (26, 8457272), (52, 4228636), (104, 2114318), (208, 1057159), (601, 365872), (1202, 182936), (1759, 125008), (2404, 91468), (3518, 62504), (4808, 45734), (7036, 31252), (7813, 28144), (9616, 22867), (14072, 15626)]