281589119

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{1153}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 325704960

約数和(自身を除く): 44115841

約数列:

[1, 7, 139, 251, 973, 1153, 1757, 8071, 34889, 160267, 244223, 289403, 1121869, 2025821, 40227017, 281589119]

約数ペア:

[(1, 281589119), (7, 40227017), (139, 2025821), (251, 1121869), (973, 289403), (1153, 244223), (1757, 160267), (8071, 34889)]