28754374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{9403}}^1$

素因数の和:9555

約数の個数: 16

約数和(自身を含む): 47396160

約数和(自身を除く): 18641786

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 9403, 18806, 103433, 206866, 1307017, 2614034, 14377187, 28754374]

約数ペア:

[(1, 28754374), (2, 14377187), (11, 2614034), (22, 1307017), (139, 206866), (278, 103433), (1529, 18806), (3058, 9403)]