28230755

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 40255488

約数和(自身を除く): 12024733

約数列:

[1, 5, 7, 35, 41, 103, 191, 205, 287, 515, 721, 955, 1337, 1435, 3605, 4223, 6685, 7831, 19673, 21115, 29561, 39155, 54817, 98365, 137711, 147805, 274085, 688555, 806593, 4032965, 5646151, 28230755]

約数ペア:

[(1, 28230755), (5, 5646151), (7, 4032965), (35, 806593), (41, 688555), (103, 274085), (191, 147805), (205, 137711), (287, 98365), (515, 54817), (721, 39155), (955, 29561), (1337, 21115), (1435, 19673), (3605, 7831), (4223, 6685)]