1388125844

素因数分解:

$2^2\times 7^1\times {\mathrm{3907}}^1\times {\mathrm{12689}}^1$

素因数の和:16607

約数の個数: 24

約数和(自身を含む): 2777181120

約数和(自身を除く): 1389055276

約数列:

[1, 2, 4, 7, 14, 28, 3907, 7814, 12689, 15628, 25378, 27349, 50756, 54698, 88823, 109396, 177646, 355292, 49575923, 99151846, 198303692, 347031461, 694062922, 1388125844]

約数ペア:

[(1, 1388125844), (2, 694062922), (4, 347031461), (7, 198303692), (14, 99151846), (28, 49575923), (3907, 355292), (7814, 177646), (12689, 109396), (15628, 88823), (25378, 54698), (27349, 50756)]