25219465

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 30824640

約数和(自身を除く): 5605175

約数列:

[1, 5, 131, 139, 277, 655, 695, 1385, 18209, 36287, 38503, 91045, 181435, 192515, 5043893, 25219465]

約数ペア:

[(1, 25219465), (5, 5043893), (131, 192515), (139, 181435), (277, 91045), (655, 38503), (695, 36287), (1385, 18209)]