677347834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{128237}}^1$

素因数の和:128397

約数の個数: 16

約数和(自身を含む): 1077199200

約数和(自身を除く): 399851366

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 128237, 256474, 2436503, 4873006, 17824943, 35649886, 338673917, 677347834]

約数ペア:

[(1, 677347834), (2, 338673917), (19, 35649886), (38, 17824943), (139, 4873006), (278, 2436503), (2641, 256474), (5282, 128237)]