217371077

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{148579}}^1$

素因数の和:148616

約数の個数: 16

約数和(自身を含む): 285273600

約数和(自身を除く): 67902523

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 148579, 1040053, 1634369, 2823001, 11440583, 19761007, 31053011, 217371077]

約数ペア:

[(1, 217371077), (7, 31053011), (11, 19761007), (19, 11440583), (77, 2823001), (133, 1634369), (209, 1040053), (1463, 148579)]