28381204

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 51194528

約数和(自身を除く): 22813324

約数列:

[1, 2, 4, 43, 86, 157, 172, 314, 628, 1051, 2102, 4204, 6751, 13502, 27004, 45193, 90386, 165007, 180772, 330014, 660028, 7095301, 14190602, 28381204]

約数ペア:

[(1, 28381204), (2, 14190602), (4, 7095301), (43, 660028), (86, 330014), (157, 180772), (172, 165007), (314, 90386), (628, 45193), (1051, 27004), (2102, 13502), (4204, 6751)]