99171925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{743}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 130080960

約数和(自身を除く): 30909035

約数列:

[1, 5, 19, 25, 95, 281, 475, 743, 1405, 3715, 5339, 7025, 14117, 18575, 26695, 70585, 133475, 208783, 352925, 1043915, 3966877, 5219575, 19834385, 99171925]

約数ペア:

[(1, 99171925), (5, 19834385), (19, 5219575), (25, 3966877), (95, 1043915), (281, 352925), (475, 208783), (743, 133475), (1405, 70585), (3715, 26695), (5339, 18575), (7025, 14117)]