71081983

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 89538048

約数和(自身を除く): 18456065

約数列:

[1, 7, 19, 23, 133, 161, 361, 437, 1223, 2527, 3059, 8303, 8561, 23237, 28129, 58121, 162659, 196903, 441503, 534451, 3090521, 3741157, 10154569, 71081983]

約数ペア:

[(1, 71081983), (7, 10154569), (19, 3741157), (23, 3090521), (133, 534451), (161, 441503), (361, 196903), (437, 162659), (1223, 58121), (2527, 28129), (3059, 23237), (8303, 8561)]