1340981369

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 1774016640

約数和(自身を除く): 433035271

約数列:

[1, 7, 13, 17, 91, 119, 131, 169, 221, 509, 917, 1183, 1547, 1703, 2227, 2873, 3563, 6617, 8653, 11921, 15589, 20111, 22139, 28951, 46319, 60571, 66679, 86021, 112489, 154973, 202657, 376363, 466753, 602147, 787423, 866827, 1133543, 1462357, 2634541, 6067789, 7934801, 10236499, 11268751, 14736059, 78881257, 103152413, 191568767, 1340981369]

約数ペア:

[(1, 1340981369), (7, 191568767), (13, 103152413), (17, 78881257), (91, 14736059), (119, 11268751), (131, 10236499), (169, 7934801), (221, 6067789), (509, 2634541), (917, 1462357), (1183, 1133543), (1547, 866827), (1703, 787423), (2227, 602147), (2873, 466753), (3563, 376363), (6617, 202657), (8653, 154973), (11921, 112489), (15589, 86021), (20111, 66679), (22139, 60571), (28951, 46319)]