289102486

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 450455040

約数和(自身を除く): 161352554

約数列:

[1, 2, 71, 97, 139, 142, 151, 194, 278, 302, 6887, 9869, 10721, 13483, 13774, 14647, 19738, 20989, 21442, 26966, 29294, 41978, 957293, 1039937, 1490219, 1914586, 2035933, 2079874, 2980438, 4071866, 144551243, 289102486]

約数ペア:

[(1, 289102486), (2, 144551243), (71, 4071866), (97, 2980438), (139, 2079874), (142, 2035933), (151, 1914586), (194, 1490219), (278, 1039937), (302, 957293), (6887, 41978), (9869, 29294), (10721, 26966), (13483, 21442), (13774, 20989), (14647, 19738)]