28263313141

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{72893}}^1$

素因数の和:73141

約数の個数: 24

約数和(自身を含む): 33854597784

約数和(自身を除く): 5591284643

約数列:

[1, 7, 41, 49, 193, 287, 1351, 2009, 7913, 9457, 55391, 72893, 387737, 510251, 2988613, 3571757, 14068349, 20920291, 98478443, 146442037, 576802309, 689349101, 4037616163, 28263313141]

約数ペア:

[(1, 28263313141), (7, 4037616163), (41, 689349101), (49, 576802309), (193, 146442037), (287, 98478443), (1351, 20920291), (2009, 14068349), (7913, 3571757), (9457, 2988613), (55391, 510251), (72893, 387737)]