7857786385

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1\times {\mathrm{797}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 9792226080

約数和(自身を除く): 1934439695

約数列:

[1, 5, 37, 137, 185, 389, 685, 797, 1945, 3985, 5069, 14393, 25345, 29489, 53293, 71965, 109189, 147445, 266465, 310033, 545945, 1550165, 1971841, 4039993, 9859205, 11471221, 20199965, 42474521, 57356105, 212372605, 1571557277, 7857786385]

約数ペア:

[(1, 7857786385), (5, 1571557277), (37, 212372605), (137, 57356105), (185, 42474521), (389, 20199965), (685, 11471221), (797, 9859205), (1945, 4039993), (3985, 1971841), (5069, 1550165), (14393, 545945), (25345, 310033), (29489, 266465), (53293, 147445), (71965, 109189)]