1000805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 1315440

約数和(自身を除く): 314635

約数列:

[1, 5, 13, 65, 89, 173, 445, 865, 1157, 2249, 5785, 11245, 15397, 76985, 200161, 1000805]

約数ペア:

[(1, 1000805), (5, 200161), (13, 76985), (65, 15397), (89, 11245), (173, 5785), (445, 2249), (865, 1157)]