81687025

素因数分解:

$5^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{769}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 116103680

約数和(自身を除く): 34416655

約数列:

[1, 5, 7, 25, 35, 175, 607, 769, 3035, 3845, 4249, 5383, 15175, 19225, 21245, 26915, 106225, 134575, 466783, 2333915, 3267481, 11669575, 16337405, 81687025]

約数ペア:

[(1, 81687025), (5, 16337405), (7, 11669575), (25, 3267481), (35, 2333915), (175, 466783), (607, 134575), (769, 106225), (3035, 26915), (3845, 21245), (4249, 19225), (5383, 15175)]