2721428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 5209344

約数和(自身を除く): 2487916

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 1291, 2108, 2582, 5164, 21947, 40021, 43894, 80042, 87788, 160084, 680357, 1360714, 2721428]

約数ペア:

[(1, 2721428), (2, 1360714), (4, 680357), (17, 160084), (31, 87788), (34, 80042), (62, 43894), (68, 40021), (124, 21947), (527, 5164), (1054, 2582), (1291, 2108)]