28032775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 36091440

約数和(自身を除く): 8058665

約数列:

[1, 5, 25, 43, 89, 215, 293, 445, 1075, 1465, 2225, 3827, 7325, 12599, 19135, 26077, 62995, 95675, 130385, 314975, 651925, 1121311, 5606555, 28032775]

約数ペア:

[(1, 28032775), (5, 5606555), (25, 1121311), (43, 651925), (89, 314975), (215, 130385), (293, 95675), (445, 62995), (1075, 26077), (1465, 19135), (2225, 12599), (3827, 7325)]