28541825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 38856888

約数和(自身を除く): 10315063

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 1657, 3445, 8285, 17225, 21541, 41425, 87821, 107705, 439105, 538525, 1141673, 2195525, 5708365, 28541825]

約数ペア:

[(1, 28541825), (5, 5708365), (13, 2195525), (25, 1141673), (53, 538525), (65, 439105), (265, 107705), (325, 87821), (689, 41425), (1325, 21541), (1657, 17225), (3445, 8285)]