3964072

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 8622720

約数和(自身を除く): 4658648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 997, 1988, 1994, 3976, 3988, 6979, 7976, 13958, 27916, 55832, 70787, 141574, 283148, 495509, 566296, 991018, 1982036, 3964072]

約数ペア:

[(1, 3964072), (2, 1982036), (4, 991018), (7, 566296), (8, 495509), (14, 283148), (28, 141574), (56, 70787), (71, 55832), (142, 27916), (284, 13958), (497, 7976), (568, 6979), (994, 3988), (997, 3976), (1988, 1994)]