1278642

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{2069}}^1$

素因数の和:2177

約数の個数: 16

約数和(自身を含む): 2583360

約数和(自身を除く): 1304718

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 2069, 4138, 6207, 12414, 213107, 426214, 639321, 1278642]

約数ペア:

[(1, 1278642), (2, 639321), (3, 426214), (6, 213107), (103, 12414), (206, 6207), (309, 4138), (618, 2069)]