720645982

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{42227}}^1$

素因数の和:42312

約数の個数: 32

約数和(自身を含む): 1313459712

約数和(自身を除く): 592813730

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1219, 2438, 8533, 17066, 42227, 84454, 295589, 591178, 971221, 1942442, 2238031, 4476062, 6798547, 13597094, 15666217, 31332434, 51474713, 102949426, 360322991, 720645982]

約数ペア:

[(1, 720645982), (2, 360322991), (7, 102949426), (14, 51474713), (23, 31332434), (46, 15666217), (53, 13597094), (106, 6798547), (161, 4476062), (322, 2238031), (371, 1942442), (742, 971221), (1219, 591178), (2438, 295589), (8533, 84454), (17066, 42227)]