131718412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{247591}}^1$

素因数の和:247621

約数の個数: 24

約数和(自身を含む): 277303040

約数和(自身を除く): 145584628

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 247591, 495182, 990364, 1733137, 3466274, 4704229, 6932548, 9408458, 18816916, 32929603, 65859206, 131718412]

約数ペア:

[(1, 131718412), (2, 65859206), (4, 32929603), (7, 18816916), (14, 9408458), (19, 6932548), (28, 4704229), (38, 3466274), (76, 1733137), (133, 990364), (266, 495182), (532, 247591)]