2155408

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{1259}}^1$

素因数の和:1374

約数の個数: 20

約数和(自身を含む): 4218480

約数和(自身を除く): 2063072

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1259, 1712, 2518, 5036, 10072, 20144, 134713, 269426, 538852, 1077704, 2155408]

約数ペア:

[(1, 2155408), (2, 1077704), (4, 538852), (8, 269426), (16, 134713), (107, 20144), (214, 10072), (428, 5036), (856, 2518), (1259, 1712)]