128702920664

素因数分解:

$2^3\times {\mathrm{409121}}^1\times {\mathrm{39323}}^1$

素因数の和:448450

約数の個数: 16

約数和(自身を含む): 241324702920

約数和(自身を除く): 112621782256

約数列:

[1, 2, 4, 8, 39323, 78646, 157292, 314584, 409121, 818242, 1636484, 3272968, 16087865083, 32175730166, 64351460332, 128702920664]

約数ペア:

[(1, 128702920664), (2, 64351460332), (4, 32175730166), (8, 16087865083), (39323, 3272968), (78646, 1636484), (157292, 818242), (314584, 409121)]