391297856

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3877}}^1$

素因数の和:3991

約数の個数: 56

約数和(自身を含む): 827410080

約数和(自身を除く): 436112224

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 83, 152, 166, 304, 332, 608, 664, 1216, 1328, 1577, 2656, 3154, 3877, 5312, 6308, 7754, 12616, 15508, 25232, 31016, 50464, 62032, 73663, 100928, 124064, 147326, 248128, 294652, 321791, 589304, 643582, 1178608, 1287164, 2357216, 2574328, 4714432, 5148656, 6114029, 10297312, 12228058, 20594624, 24456116, 48912232, 97824464, 195648928, 391297856]

約数ペア:

[(1, 391297856), (2, 195648928), (4, 97824464), (8, 48912232), (16, 24456116), (19, 20594624), (32, 12228058), (38, 10297312), (64, 6114029), (76, 5148656), (83, 4714432), (152, 2574328), (166, 2357216), (304, 1287164), (332, 1178608), (608, 643582), (664, 589304), (1216, 321791), (1328, 294652), (1577, 248128), (2656, 147326), (3154, 124064), (3877, 100928), (5312, 73663), (6308, 62032), (7754, 50464), (12616, 31016), (15508, 25232)]