28427988

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 69755840

約数和(自身を除く): 41327852

約数列:

[1, 2, 3, 4, 6, 12, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 444, 516, 1489, 1591, 2978, 3182, 4467, 4773, 5956, 6364, 8934, 9546, 17868, 19092, 55093, 64027, 110186, 128054, 165279, 192081, 220372, 256108, 330558, 384162, 661116, 768324, 2368999, 4737998, 7106997, 9475996, 14213994, 28427988]

約数ペア:

[(1, 28427988), (2, 14213994), (3, 9475996), (4, 7106997), (6, 4737998), (12, 2368999), (37, 768324), (43, 661116), (74, 384162), (86, 330558), (111, 256108), (129, 220372), (148, 192081), (172, 165279), (222, 128054), (258, 110186), (444, 64027), (516, 55093), (1489, 19092), (1591, 17868), (2978, 9546), (3182, 8934), (4467, 6364), (4773, 5956)]