28706390

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{54163}}^1$

素因数の和:54223

約数の個数: 16

約数和(自身を含む): 52647408

約数和(自身を除く): 23941018

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 54163, 108326, 270815, 541630, 2870639, 5741278, 14353195, 28706390]

約数ペア:

[(1, 28706390), (2, 14353195), (5, 5741278), (10, 2870639), (53, 541630), (106, 270815), (265, 108326), (530, 54163)]