129121420712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1327}}^1\times {\mathrm{640153}}^1$

素因数の和:641505

約数の個数: 32

約数和(自身を含む): 255037353600

約数和(自身を除く): 125915932888

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1327, 2654, 5308, 10616, 25213, 50426, 100852, 201704, 640153, 1280306, 2560612, 5121224, 12162907, 24325814, 48651628, 97303256, 849483031, 1698966062, 3397932124, 6795864248, 16140177589, 32280355178, 64560710356, 129121420712]

約数ペア:

[(1, 129121420712), (2, 64560710356), (4, 32280355178), (8, 16140177589), (19, 6795864248), (38, 3397932124), (76, 1698966062), (152, 849483031), (1327, 97303256), (2654, 48651628), (5308, 24325814), (10616, 12162907), (25213, 5121224), (50426, 2560612), (100852, 1280306), (201704, 640153)]