4005972

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:732

約数の個数: 36

約数和(自身を含む): 10192000

約数和(自身を除く): 6186028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 499, 669, 892, 998, 1338, 1497, 1996, 2007, 2676, 2994, 4014, 4491, 5988, 8028, 8982, 17964, 111277, 222554, 333831, 445108, 667662, 1001493, 1335324, 2002986, 4005972]

約数ペア:

[(1, 4005972), (2, 2002986), (3, 1335324), (4, 1001493), (6, 667662), (9, 445108), (12, 333831), (18, 222554), (36, 111277), (223, 17964), (446, 8982), (499, 8028), (669, 5988), (892, 4491), (998, 4014), (1338, 2994), (1497, 2676), (1996, 2007)]