69709717

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 90574848

約数和(自身を除く): 20865131

約数列:

[1, 7, 11, 41, 71, 77, 287, 311, 451, 497, 781, 2177, 2911, 3157, 3421, 5467, 12751, 20377, 22081, 23947, 32021, 89257, 140261, 154567, 224147, 242891, 905321, 981827, 1700237, 6337247, 9958531, 69709717]

約数ペア:

[(1, 69709717), (7, 9958531), (11, 6337247), (41, 1700237), (71, 981827), (77, 905321), (287, 242891), (311, 224147), (451, 154567), (497, 140261), (781, 89257), (2177, 32021), (2911, 23947), (3157, 22081), (3421, 20377), (5467, 12751)]