394240861

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{128879}}^1$

素因数の和:128928

約数の個数: 16

約数和(自身を含む): 494899200

約数和(自身を除く): 100658339

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 128879, 902153, 2448701, 2964217, 17140907, 20749519, 56320123, 394240861]

約数ペア:

[(1, 394240861), (7, 56320123), (19, 20749519), (23, 17140907), (133, 2964217), (161, 2448701), (437, 902153), (3059, 128879)]