249550341

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 353092608

約数和(自身を除く): 103542267

約数列:

[1, 3, 31, 53, 93, 159, 197, 257, 591, 771, 1643, 4929, 6107, 7967, 10441, 13621, 18321, 23901, 31323, 40863, 50629, 151887, 323671, 422251, 971013, 1266753, 1569499, 2683337, 4708497, 8050011, 83183447, 249550341]

約数ペア:

[(1, 249550341), (3, 83183447), (31, 8050011), (53, 4708497), (93, 2683337), (159, 1569499), (197, 1266753), (257, 971013), (591, 422251), (771, 323671), (1643, 151887), (4929, 50629), (6107, 40863), (7967, 31323), (10441, 23901), (13621, 18321)]