28707686

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{11329}}^1$

素因数の和:11519

約数の個数: 16

約数和(自身を含む): 49489440

約数和(自身を除く): 20781754

約数列:

[1, 2, 7, 14, 181, 362, 1267, 2534, 11329, 22658, 79303, 158606, 2050549, 4101098, 14353843, 28707686]

約数ペア:

[(1, 28707686), (2, 14353843), (7, 4101098), (14, 2050549), (181, 158606), (362, 79303), (1267, 22658), (2534, 11329)]