7980206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9947

約数の個数: 16

約数和(自身を含む): 13308288

約数和(自身を除く): 5328082

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 9901, 19802, 128713, 257426, 306931, 613862, 3990103, 7980206]

約数ペア:

[(1, 7980206), (2, 3990103), (13, 613862), (26, 306931), (31, 257426), (62, 128713), (403, 19802), (806, 9901)]