84128855

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 108725760

約数和(自身を除く): 24596905

約数列:

[1, 5, 29, 43, 103, 131, 145, 215, 515, 655, 1247, 2987, 3799, 4429, 5633, 6235, 13493, 14935, 18995, 22145, 28165, 67465, 128441, 163357, 391297, 580199, 642205, 816785, 1956485, 2900995, 16825771, 84128855]

約数ペア:

[(1, 84128855), (5, 16825771), (29, 2900995), (43, 1956485), (103, 816785), (131, 642205), (145, 580199), (215, 391297), (515, 163357), (655, 128441), (1247, 67465), (2987, 28165), (3799, 22145), (4429, 18995), (5633, 14935), (6235, 13493)]