2181712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 4827816

約数和(自身を除く): 2646104

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 617, 884, 1234, 1768, 2468, 3536, 4936, 8021, 9872, 10489, 16042, 20978, 32084, 41956, 64168, 83912, 128336, 136357, 167824, 272714, 545428, 1090856, 2181712]

約数ペア:

[(1, 2181712), (2, 1090856), (4, 545428), (8, 272714), (13, 167824), (16, 136357), (17, 128336), (26, 83912), (34, 64168), (52, 41956), (68, 32084), (104, 20978), (136, 16042), (208, 10489), (221, 9872), (272, 8021), (442, 4936), (617, 3536), (884, 2468), (1234, 1768)]