12577285

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 18070272

約数和(自身を除く): 5492987

約数列:

[1, 5, 7, 35, 43, 61, 137, 215, 301, 305, 427, 685, 959, 1505, 2135, 2623, 4795, 5891, 8357, 13115, 18361, 29455, 41237, 41785, 58499, 91805, 206185, 292495, 359351, 1796755, 2515457, 12577285]

約数ペア:

[(1, 12577285), (5, 2515457), (7, 1796755), (35, 359351), (43, 292495), (61, 206185), (137, 91805), (215, 58499), (301, 41785), (305, 41237), (427, 29455), (685, 18361), (959, 13115), (1505, 8357), (2135, 5891), (2623, 4795)]