278439118

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{26737}}^1$

素因数の和:26907

約数の個数: 16

約数和(自身を含む): 431230464

約数和(自身を除く): 152791346

約数列:

[1, 2, 41, 82, 127, 254, 5207, 10414, 26737, 53474, 1096217, 2192434, 3395599, 6791198, 139219559, 278439118]

約数ペア:

[(1, 278439118), (2, 139219559), (41, 6791198), (82, 3395599), (127, 2192434), (254, 1096217), (5207, 53474), (10414, 26737)]