264781408

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 530712000

約数和(自身を除く): 265930592

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 239, 356, 389, 478, 712, 778, 956, 1424, 1556, 1912, 2848, 3112, 3824, 6224, 7648, 12448, 21271, 34621, 42542, 69242, 85084, 92971, 138484, 170168, 185942, 276968, 340336, 371884, 553936, 680672, 743768, 1107872, 1487536, 2975072, 8274419, 16548838, 33097676, 66195352, 132390704, 264781408]

約数ペア:

[(1, 264781408), (2, 132390704), (4, 66195352), (8, 33097676), (16, 16548838), (32, 8274419), (89, 2975072), (178, 1487536), (239, 1107872), (356, 743768), (389, 680672), (478, 553936), (712, 371884), (778, 340336), (956, 276968), (1424, 185942), (1556, 170168), (1912, 138484), (2848, 92971), (3112, 85084), (3824, 69242), (6224, 42542), (7648, 34621), (12448, 21271)]