638460904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{7057}}^1$

素因数の和:7369

約数の個数: 32

約数和(自身を含む): 1229785920

約数和(自身を除く): 591325016

約数列:

[1, 2, 4, 8, 43, 86, 172, 263, 344, 526, 1052, 2104, 7057, 11309, 14114, 22618, 28228, 45236, 56456, 90472, 303451, 606902, 1213804, 1855991, 2427608, 3711982, 7423964, 14847928, 79807613, 159615226, 319230452, 638460904]

約数ペア:

[(1, 638460904), (2, 319230452), (4, 159615226), (8, 79807613), (43, 14847928), (86, 7423964), (172, 3711982), (263, 2427608), (344, 1855991), (526, 1213804), (1052, 606902), (2104, 303451), (7057, 90472), (11309, 56456), (14114, 45236), (22618, 28228)]