61420208

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{27617}}^1$

素因数の和:27764

約数の個数: 20

約数和(自身を含む): 119862120

約数和(自身を除く): 58441912

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 27617, 55234, 110468, 220936, 441872, 3838763, 7677526, 15355052, 30710104, 61420208]

約数ペア:

[(1, 61420208), (2, 30710104), (4, 15355052), (8, 7677526), (16, 3838763), (139, 441872), (278, 220936), (556, 110468), (1112, 55234), (2224, 27617)]