30880971856

素因数分解:

$2^4\times 7^1\times {\mathrm{275722963}}^1$

素因数の和:275722978

約数の個数: 20

約数和(自身を含む): 68379295072

約数和(自身を除く): 37498323216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 275722963, 551445926, 1102891852, 1930060741, 2205783704, 3860121482, 4411567408, 7720242964, 15440485928, 30880971856]

約数ペア:

[(1, 30880971856), (2, 15440485928), (4, 7720242964), (7, 4411567408), (8, 3860121482), (14, 2205783704), (16, 1930060741), (28, 1102891852), (56, 551445926), (112, 275722963)]