28663696

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{20129}}^1$

素因数の和:20226

約数の個数: 20

約数和(自身を含む): 56162700

約数和(自身を除く): 27499004

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 20129, 40258, 80516, 161032, 322064, 1791481, 3582962, 7165924, 14331848, 28663696]

約数ペア:

[(1, 28663696), (2, 14331848), (4, 7165924), (8, 3582962), (16, 1791481), (89, 322064), (178, 161032), (356, 80516), (712, 40258), (1424, 20129)]