205033504

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1290

約数の個数: 72

約数和(自身を含む): 451567872

約数和(自身を除く): 246534368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 496, 676, 806, 992, 1223, 1352, 1612, 2446, 2704, 3224, 4892, 5239, 5408, 6448, 9784, 10478, 12896, 15899, 19568, 20956, 31798, 37913, 39136, 41912, 63596, 75826, 83824, 127192, 151652, 167648, 206687, 254384, 303304, 413374, 492869, 508768, 606608, 826748, 985738, 1213216, 1653496, 1971476, 3306992, 3942952, 6407297, 6613984, 7885904, 12814594, 15771808, 25629188, 51258376, 102516752, 205033504]

約数ペア:

[(1, 205033504), (2, 102516752), (4, 51258376), (8, 25629188), (13, 15771808), (16, 12814594), (26, 7885904), (31, 6613984), (32, 6407297), (52, 3942952), (62, 3306992), (104, 1971476), (124, 1653496), (169, 1213216), (208, 985738), (248, 826748), (338, 606608), (403, 508768), (416, 492869), (496, 413374), (676, 303304), (806, 254384), (992, 206687), (1223, 167648), (1352, 151652), (1612, 127192), (2446, 83824), (2704, 75826), (3224, 63596), (4892, 41912), (5239, 39136), (5408, 37913), (6448, 31798), (9784, 20956), (10478, 19568), (12896, 15899)]