256980503

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{1217}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 285109440

約数和(自身を除く): 28128937

約数列:

[1, 13, 37, 439, 481, 1217, 5707, 15821, 16243, 45029, 211159, 534263, 585377, 6945419, 19767731, 256980503]

約数ペア:

[(1, 256980503), (13, 19767731), (37, 6945419), (439, 585377), (481, 534263), (1217, 211159), (5707, 45029), (15821, 16243)]