28984318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{42499}}^1$

素因数の和:42543

約数の個数: 16

約数和(自身を含む): 48960000

約数和(自身を除く): 19975682

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 42499, 84998, 467489, 934978, 1317469, 2634938, 14492159, 28984318]

約数ペア:

[(1, 28984318), (2, 14492159), (11, 2634938), (22, 1317469), (31, 934978), (62, 467489), (341, 84998), (682, 42499)]