399630392

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 874782720

約数和(自身を除く): 475152328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 127, 166, 254, 332, 508, 581, 664, 677, 889, 1016, 1162, 1354, 1778, 2324, 2708, 3556, 4648, 4739, 5416, 7112, 9478, 10541, 18956, 21082, 37912, 42164, 56191, 73787, 84328, 85979, 112382, 147574, 171958, 224764, 295148, 343916, 393337, 449528, 590296, 601853, 687832, 786674, 1203706, 1573348, 2407412, 3146696, 4814824, 7136257, 14272514, 28545028, 49953799, 57090056, 99907598, 199815196, 399630392]

約数ペア:

[(1, 399630392), (2, 199815196), (4, 99907598), (7, 57090056), (8, 49953799), (14, 28545028), (28, 14272514), (56, 7136257), (83, 4814824), (127, 3146696), (166, 2407412), (254, 1573348), (332, 1203706), (508, 786674), (581, 687832), (664, 601853), (677, 590296), (889, 449528), (1016, 393337), (1162, 343916), (1354, 295148), (1778, 224764), (2324, 171958), (2708, 147574), (3556, 112382), (4648, 85979), (4739, 84328), (5416, 73787), (7112, 56191), (9478, 42164), (10541, 37912), (18956, 21082)]