64842884

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{1307}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 115731840

約数和(自身を除く): 50888956

約数列:

[1, 2, 4, 79, 157, 158, 314, 316, 628, 1307, 2614, 5228, 12403, 24806, 49612, 103253, 205199, 206506, 410398, 413012, 820796, 16210721, 32421442, 64842884]

約数ペア:

[(1, 64842884), (2, 32421442), (4, 16210721), (79, 820796), (157, 413012), (158, 410398), (314, 206506), (316, 205199), (628, 103253), (1307, 49612), (2614, 24806), (5228, 12403)]