28281386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{106321}}^1$

素因数の和:106349

約数の個数: 16

約数和(自身を含む): 51034560

約数和(自身を除く): 22753174

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 106321, 212642, 744247, 1488494, 2020099, 4040198, 14140693, 28281386]

約数ペア:

[(1, 28281386), (2, 14140693), (7, 4040198), (14, 2020099), (19, 1488494), (38, 744247), (133, 212642), (266, 106321)]