487242548

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{720773}}^1$

素因数の和:720803

約数の個数: 18

約数和(自身を含む): 923311494

約数和(自身を除く): 436068946

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 720773, 1441546, 2883092, 9370049, 18740098, 37480196, 121810637, 243621274, 487242548]

約数ペア:

[(1, 487242548), (2, 243621274), (4, 121810637), (13, 37480196), (26, 18740098), (52, 9370049), (169, 2883092), (338, 1441546), (676, 720773)]