1380456865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{438937}}^1$

素因数の和:438996

約数の個数: 16

約数和(自身を含む): 1801401552

約数和(自身を除く): 420944687

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 438937, 2194685, 7461929, 16240669, 37309645, 81203345, 276091373, 1380456865]

約数ペア:

[(1, 1380456865), (5, 276091373), (17, 81203345), (37, 37309645), (85, 16240669), (185, 7461929), (629, 2194685), (3145, 438937)]