6640390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 12459744

約数和(自身を除く): 5819354

約数列:

[1, 2, 5, 10, 37, 74, 131, 137, 185, 262, 274, 370, 655, 685, 1310, 1370, 4847, 5069, 9694, 10138, 17947, 24235, 25345, 35894, 48470, 50690, 89735, 179470, 664039, 1328078, 3320195, 6640390]

約数ペア:

[(1, 6640390), (2, 3320195), (5, 1328078), (10, 664039), (37, 179470), (74, 89735), (131, 50690), (137, 48470), (185, 35894), (262, 25345), (274, 24235), (370, 17947), (655, 10138), (685, 9694), (1310, 5069), (1370, 4847)]