161780075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{1097}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 213214032

約数和(自身を除く): 51433957

約数列:

[1, 5, 17, 25, 85, 347, 425, 1097, 1735, 5485, 5899, 8675, 18649, 27425, 29495, 93245, 147475, 380659, 466225, 1903295, 6471203, 9516475, 32356015, 161780075]

約数ペア:

[(1, 161780075), (5, 32356015), (17, 9516475), (25, 6471203), (85, 1903295), (347, 466225), (425, 380659), (1097, 147475), (1735, 93245), (5485, 29495), (5899, 27425), (8675, 18649)]