680020705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{34757}}^1$

素因数の和:34825

約数の個数: 32

約数和(自身を含む): 1027724544

約数和(自身を除く): 347703839

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1505, 2795, 3913, 19565, 34757, 173785, 243299, 451841, 1216495, 1494551, 2259205, 3162887, 7472755, 10461857, 15814435, 19429163, 52309285, 97145815, 136004141, 680020705]

約数ペア:

[(1, 680020705), (5, 136004141), (7, 97145815), (13, 52309285), (35, 19429163), (43, 15814435), (65, 10461857), (91, 7472755), (215, 3162887), (301, 2259205), (455, 1494551), (559, 1216495), (1505, 451841), (2795, 243299), (3913, 173785), (19565, 34757)]