639117482

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{257501}}^1$

素因数の和:257593

約数の個数: 16

約数和(自身を含む): 1028977992

約数和(自身を除く): 389860510

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 257501, 515002, 4377517, 8755034, 18797573, 37595146, 319558741, 639117482]

約数ペア:

[(1, 639117482), (2, 319558741), (17, 37595146), (34, 18797573), (73, 8755034), (146, 4377517), (1241, 515002), (2482, 257501)]