28255413

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 13216587

約数列:

[1, 3, 19, 47, 53, 57, 141, 159, 199, 597, 893, 1007, 2491, 2679, 3021, 3781, 7473, 9353, 10547, 11343, 28059, 31641, 47329, 141987, 177707, 200393, 495709, 533121, 601179, 1487127, 9418471, 28255413]

約数ペア:

[(1, 28255413), (3, 9418471), (19, 1487127), (47, 601179), (53, 533121), (57, 495709), (141, 200393), (159, 177707), (199, 141987), (597, 47329), (893, 31641), (1007, 28059), (2491, 11343), (2679, 10547), (3021, 9353), (3781, 7473)]