128433508

素因数分解:

$2^2\times 7^2\times {\mathrm{655273}}^1$

素因数の和:655291

約数の個数: 18

約数和(自身を含む): 261454326

約数和(自身を除く): 133020818

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 655273, 1310546, 2621092, 4586911, 9173822, 18347644, 32108377, 64216754, 128433508]

約数ペア:

[(1, 128433508), (2, 64216754), (4, 32108377), (7, 18347644), (14, 9173822), (28, 4586911), (49, 2621092), (98, 1310546), (196, 655273)]