2980663

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 3646720

約数和(自身を除く): 666057

約数列:

[1, 7, 19, 73, 133, 307, 511, 1387, 2149, 5833, 9709, 22411, 40831, 156877, 425809, 2980663]

約数ペア:

[(1, 2980663), (7, 425809), (19, 156877), (73, 40831), (133, 22411), (307, 9709), (511, 5833), (1387, 2149)]