64557619

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 82667520

約数和(自身を除く): 18109901

約数列:

[1, 7, 17, 23, 103, 119, 161, 229, 391, 721, 1603, 1751, 2369, 2737, 3893, 5267, 12257, 16583, 23587, 27251, 36869, 40273, 89539, 165109, 281911, 400979, 542501, 626773, 2806853, 3797507, 9222517, 64557619]

約数ペア:

[(1, 64557619), (7, 9222517), (17, 3797507), (23, 2806853), (103, 626773), (119, 542501), (161, 400979), (229, 281911), (391, 165109), (721, 89539), (1603, 40273), (1751, 36869), (2369, 27251), (2737, 23587), (3893, 16583), (5267, 12257)]