87971425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1109}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 115617600

約数和(自身を除く): 27646175

約数列:

[1, 5, 19, 25, 95, 167, 475, 835, 1109, 3173, 4175, 5545, 15865, 21071, 27725, 79325, 105355, 185203, 526775, 926015, 3518857, 4630075, 17594285, 87971425]

約数ペア:

[(1, 87971425), (5, 17594285), (19, 4630075), (25, 3518857), (95, 926015), (167, 526775), (475, 185203), (835, 105355), (1109, 79325), (3173, 27725), (4175, 21071), (5545, 15865)]