259150852

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{21221}}^1$

素因数の和:21339

約数の個数: 24

約数和(自身を含む): 470619072

約数和(自身を除く): 211468220

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 3053, 6106, 12212, 21221, 42442, 84884, 912503, 1506691, 1825006, 3013382, 3650012, 6026764, 64787713, 129575426, 259150852]

約数ペア:

[(1, 259150852), (2, 129575426), (4, 64787713), (43, 6026764), (71, 3650012), (86, 3013382), (142, 1825006), (172, 1506691), (284, 912503), (3053, 84884), (6106, 42442), (12212, 21221)]