91420225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2731}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 123311552

約数和(自身を除く): 31891327

約数列:

[1, 5, 13, 25, 65, 103, 325, 515, 1339, 2575, 2731, 6695, 13655, 33475, 35503, 68275, 177515, 281293, 887575, 1406465, 3656809, 7032325, 18284045, 91420225]

約数ペア:

[(1, 91420225), (5, 18284045), (13, 7032325), (25, 3656809), (65, 1406465), (103, 887575), (325, 281293), (515, 177515), (1339, 68275), (2575, 35503), (2731, 33475), (6695, 13655)]