208128385

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1\times {\mathrm{1289}}^1$

素因数の和:2088

約数の個数: 16

約数和(自身を含む): 256101120

約数和(自身を除く): 47972735

約数列:

[1, 5, 43, 215, 751, 1289, 3755, 6445, 32293, 55427, 161465, 277135, 968039, 4840195, 41625677, 208128385]

約数ペア:

[(1, 208128385), (5, 41625677), (43, 4840195), (215, 968039), (751, 277135), (1289, 161465), (3755, 55427), (6445, 32293)]