28905254

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{3221}}^1$

素因数の和:3871

約数の個数: 16

約数和(自身を含む): 49644576

約数和(自身を除く): 20739322

約数列:

[1, 2, 7, 14, 641, 1282, 3221, 4487, 6442, 8974, 22547, 45094, 2064661, 4129322, 14452627, 28905254]

約数ペア:

[(1, 28905254), (2, 14452627), (7, 4129322), (14, 2064661), (641, 45094), (1282, 22547), (3221, 8974), (4487, 6442)]