1520785945

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{12791}}^1$

素因数の和:12925

約数の個数: 32

約数和(自身を含む): 2161336320

約数和(自身を除く): 640550375

約数列:

[1, 5, 7, 35, 43, 79, 215, 301, 395, 553, 1505, 2765, 3397, 12791, 16985, 23779, 63955, 89537, 118895, 447685, 550013, 1010489, 2750065, 3850091, 5052445, 7073423, 19250455, 35367115, 43451027, 217255135, 304157189, 1520785945]

約数ペア:

[(1, 1520785945), (5, 304157189), (7, 217255135), (35, 43451027), (43, 35367115), (79, 19250455), (215, 7073423), (301, 5052445), (395, 3850091), (553, 2750065), (1505, 1010489), (2765, 550013), (3397, 447685), (12791, 118895), (16985, 89537), (23779, 63955)]