81706816

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{20929}}^1$

素因数の和:21002

約数の個数: 28

約数和(自身を含む): 164802820

約数和(自身を除く): 83096004

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 20929, 41858, 83716, 167432, 334864, 669728, 1276669, 1339456, 2553338, 5106676, 10213352, 20426704, 40853408, 81706816]

約数ペア:

[(1, 81706816), (2, 40853408), (4, 20426704), (8, 10213352), (16, 5106676), (32, 2553338), (61, 1339456), (64, 1276669), (122, 669728), (244, 334864), (488, 167432), (976, 83716), (1952, 41858), (3904, 20929)]