1388339743

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{50377}}^1$

素因数の和:50542

約数の個数: 16

約数和(自身を含む): 1650786304

約数和(自身を除く): 262446561

約数列:

[1, 7, 31, 127, 217, 889, 3937, 27559, 50377, 352639, 1561687, 6397879, 10931809, 44785153, 198334249, 1388339743]

約数ペア:

[(1, 1388339743), (7, 198334249), (31, 44785153), (127, 10931809), (217, 6397879), (889, 1561687), (3937, 352639), (27559, 50377)]