28380258

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 64686336

約数和(自身を除く): 36306078

約数列:

[1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 666, 774, 991, 1591, 1982, 2973, 3182, 4773, 5946, 8919, 9546, 14319, 17838, 28638, 36667, 42613, 73334, 85226, 110001, 127839, 220002, 255678, 330003, 383517, 660006, 767034, 1576681, 3153362, 4730043, 9460086, 14190129, 28380258]

約数ペア:

[(1, 28380258), (2, 14190129), (3, 9460086), (6, 4730043), (9, 3153362), (18, 1576681), (37, 767034), (43, 660006), (74, 383517), (86, 330003), (111, 255678), (129, 220002), (222, 127839), (258, 110001), (333, 85226), (387, 73334), (666, 42613), (774, 36667), (991, 28638), (1591, 17838), (1982, 14319), (2973, 9546), (3182, 8919), (4773, 5946)]