28205366

素因数分解:

$2^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{3617}}^1$

素因数の和:4183

約数の個数: 16

約数和(自身を含む): 48452256

約数和(自身を除く): 20246890

約数列:

[1, 2, 7, 14, 557, 1114, 3617, 3899, 7234, 7798, 25319, 50638, 2014669, 4029338, 14102683, 28205366]

約数ペア:

[(1, 28205366), (2, 14102683), (7, 4029338), (14, 2014669), (557, 50638), (1114, 25319), (3617, 7798), (3899, 7234)]