28303325

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 36700776

約数和(自身を除く): 8397451

約数列:

[1, 5, 25, 41, 53, 205, 265, 521, 1025, 1325, 2173, 2605, 10865, 13025, 21361, 27613, 54325, 106805, 138065, 534025, 690325, 1132133, 5660665, 28303325]

約数ペア:

[(1, 28303325), (5, 5660665), (25, 1132133), (41, 690325), (53, 534025), (205, 138065), (265, 106805), (521, 54325), (1025, 27613), (1325, 21361), (2173, 13025), (2605, 10865)]