81971903

素因数分解:

${\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 89964000

約数和(自身を除く): 7992097

約数列:

[1, 13, 101, 149, 419, 1313, 1937, 5447, 15049, 42319, 62431, 195637, 550147, 811603, 6305531, 81971903]

約数ペア:

[(1, 81971903), (13, 6305531), (101, 811603), (149, 550147), (419, 195637), (1313, 62431), (1937, 42319), (5447, 15049)]