13572715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 18942336

約数和(自身を除く): 5369621

約数列:

[1, 5, 13, 17, 65, 71, 85, 173, 221, 355, 865, 923, 1105, 1207, 2249, 2941, 4615, 6035, 11245, 12283, 14705, 15691, 38233, 61415, 78455, 159679, 191165, 208811, 798395, 1044055, 2714543, 13572715]

約数ペア:

[(1, 13572715), (5, 2714543), (13, 1044055), (17, 798395), (65, 208811), (71, 191165), (85, 159679), (173, 78455), (221, 61415), (355, 38233), (865, 15691), (923, 14705), (1105, 12283), (1207, 11245), (2249, 6035), (2941, 4615)]