2178038

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:311

約数の個数: 16

約数和(自身を含む): 3363360

約数和(自身を除く): 1185322

約数列:

[1, 2, 97, 103, 109, 194, 206, 218, 9991, 10573, 11227, 19982, 21146, 22454, 1089019, 2178038]

約数ペア:

[(1, 2178038), (2, 1089019), (97, 22454), (103, 21146), (109, 19982), (194, 11227), (206, 10573), (218, 9991)]