1278049345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2129}}^1$

素因数の和:2313

約数の個数: 32

約数和(自身を含む): 1656288000

約数和(自身を除く): 378238655

約数列:

[1, 5, 19, 71, 89, 95, 355, 445, 1349, 1691, 2129, 6319, 6745, 8455, 10645, 31595, 40451, 120061, 151159, 189481, 202255, 600305, 755795, 947405, 2872021, 3600139, 13453151, 14360105, 18000695, 67265755, 255609869, 1278049345]

約数ペア:

[(1, 1278049345), (5, 255609869), (19, 67265755), (71, 18000695), (89, 14360105), (95, 13453151), (355, 3600139), (445, 2872021), (1349, 947405), (1691, 755795), (2129, 600305), (6319, 202255), (6745, 189481), (8455, 151159), (10645, 120061), (31595, 40451)]