12821054408

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{1979}}^1$

素因数の和:2574

約数の個数: 64

約数和(自身を含む): 25325784000

約数和(自身を除く): 12504729592

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 509, 1018, 1591, 1979, 2036, 3182, 3958, 4072, 6364, 7916, 12728, 15832, 18833, 21887, 37666, 43774, 73223, 75332, 85097, 87548, 146446, 150664, 170194, 175096, 292892, 340388, 585784, 680776, 809819, 1007311, 1619638, 2014622, 3148589, 3239276, 4029244, 6297178, 6478552, 8058488, 12594356, 25188712, 37270507, 43314373, 74541014, 86628746, 149082028, 173257492, 298164056, 346514984, 1602631801, 3205263602, 6410527204, 12821054408]

約数ペア:

[(1, 12821054408), (2, 6410527204), (4, 3205263602), (8, 1602631801), (37, 346514984), (43, 298164056), (74, 173257492), (86, 149082028), (148, 86628746), (172, 74541014), (296, 43314373), (344, 37270507), (509, 25188712), (1018, 12594356), (1591, 8058488), (1979, 6478552), (2036, 6297178), (3182, 4029244), (3958, 3239276), (4072, 3148589), (6364, 2014622), (7916, 1619638), (12728, 1007311), (15832, 809819), (18833, 680776), (21887, 585784), (37666, 340388), (43774, 292892), (73223, 175096), (75332, 170194), (85097, 150664), (87548, 146446)]