3988008

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 11400000

約数和(自身を除く): 7411992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 499, 666, 888, 998, 999, 1332, 1497, 1996, 1998, 2664, 2994, 3992, 3996, 4491, 5988, 7992, 8982, 11976, 13473, 17964, 18463, 26946, 35928, 36926, 53892, 55389, 73852, 107784, 110778, 147704, 166167, 221556, 332334, 443112, 498501, 664668, 997002, 1329336, 1994004, 3988008]

約数ペア:

[(1, 3988008), (2, 1994004), (3, 1329336), (4, 997002), (6, 664668), (8, 498501), (9, 443112), (12, 332334), (18, 221556), (24, 166167), (27, 147704), (36, 110778), (37, 107784), (54, 73852), (72, 55389), (74, 53892), (108, 36926), (111, 35928), (148, 26946), (216, 18463), (222, 17964), (296, 13473), (333, 11976), (444, 8982), (499, 7992), (666, 5988), (888, 4491), (998, 3996), (999, 3992), (1332, 2994), (1497, 2664), (1996, 1998)]