1973521963

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 2433392640

約数和(自身を除く): 459870677

約数列:

[1, 7, 19, 47, 133, 329, 491, 643, 893, 3437, 4501, 6251, 9329, 12217, 23077, 30221, 65303, 85519, 161539, 211547, 315713, 438463, 574199, 2209991, 3069241, 4019393, 5998547, 14838511, 41989829, 103869577, 281931709, 1973521963]

約数ペア:

[(1, 1973521963), (7, 281931709), (19, 103869577), (47, 41989829), (133, 14838511), (329, 5998547), (491, 4019393), (643, 3069241), (893, 2209991), (3437, 574199), (4501, 438463), (6251, 315713), (9329, 211547), (12217, 161539), (23077, 85519), (30221, 65303)]