971251519

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 1190246400

約数和(自身を除く): 218994881

約数列:

[1, 7, 19, 107, 133, 139, 491, 749, 973, 2033, 2641, 3437, 9329, 14231, 14873, 18487, 52537, 65303, 68249, 104111, 282587, 367759, 477743, 998203, 1296731, 1978109, 6987421, 7302643, 9077117, 51118501, 138750217, 971251519]

約数ペア:

[(1, 971251519), (7, 138750217), (19, 51118501), (107, 9077117), (133, 7302643), (139, 6987421), (491, 1978109), (749, 1296731), (973, 998203), (2033, 477743), (2641, 367759), (3437, 282587), (9329, 104111), (14231, 68249), (14873, 65303), (18487, 52537)]