39668915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 56548800

約数和(自身を除く): 16879885

約数列:

[1, 5, 11, 13, 55, 65, 109, 143, 509, 545, 715, 1199, 1417, 2545, 5599, 5995, 6617, 7085, 15587, 27995, 33085, 55481, 72787, 77935, 277405, 363935, 610291, 721253, 3051455, 3606265, 7933783, 39668915]

約数ペア:

[(1, 39668915), (5, 7933783), (11, 3606265), (13, 3051455), (55, 721253), (65, 610291), (109, 363935), (143, 277405), (509, 77935), (545, 72787), (715, 55481), (1199, 33085), (1417, 27995), (2545, 15587), (5599, 7085), (5995, 6617)]