215749688

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4933}}^1$

素因数の和:5028

約数の個数: 64

約数和(自身を含む): 511557120

約数和(自身を除く): 295807432

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 568, 616, 781, 994, 1562, 1988, 3124, 3976, 4933, 5467, 6248, 9866, 10934, 19732, 21868, 34531, 39464, 43736, 54263, 69062, 108526, 138124, 217052, 276248, 350243, 379841, 434104, 700486, 759682, 1400972, 1519364, 2451701, 2801944, 3038728, 3852673, 4903402, 7705346, 9806804, 15410692, 19613608, 26968711, 30821384, 53937422, 107874844, 215749688]

約数ペア:

[(1, 215749688), (2, 107874844), (4, 53937422), (7, 30821384), (8, 26968711), (11, 19613608), (14, 15410692), (22, 9806804), (28, 7705346), (44, 4903402), (56, 3852673), (71, 3038728), (77, 2801944), (88, 2451701), (142, 1519364), (154, 1400972), (284, 759682), (308, 700486), (497, 434104), (568, 379841), (616, 350243), (781, 276248), (994, 217052), (1562, 138124), (1988, 108526), (3124, 69062), (3976, 54263), (4933, 43736), (5467, 39464), (6248, 34531), (9866, 21868), (10934, 19732)]