87247636

素因数分解:

$2^2\times 7^2\times {\mathrm{445141}}^1$

素因数の和:445159

約数の個数: 18

約数和(自身を含む): 177611658

約数和(自身を除く): 90364022

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 445141, 890282, 1780564, 3115987, 6231974, 12463948, 21811909, 43623818, 87247636]

約数ペア:

[(1, 87247636), (2, 43623818), (4, 21811909), (7, 12463948), (14, 6231974), (28, 3115987), (49, 1780564), (98, 890282), (196, 445141)]