644334145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{32933}}^1$

素因数の和:33001

約数の個数: 32

約数和(自身を含む): 973792512

約数和(自身を除く): 329458367

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1505, 2795, 3913, 19565, 32933, 164665, 230531, 428129, 1152655, 1416119, 2140645, 2996903, 7080595, 9912833, 14984515, 18409547, 49564165, 92047735, 128866829, 644334145]

約数ペア:

[(1, 644334145), (5, 128866829), (7, 92047735), (13, 49564165), (35, 18409547), (43, 14984515), (65, 9912833), (91, 7080595), (215, 2996903), (301, 2140645), (455, 1416119), (559, 1152655), (1505, 428129), (2795, 230531), (3913, 164665), (19565, 32933)]