205891075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1171}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 275687216

約数和(自身を除く): 69796141

約数列:

[1, 5, 13, 25, 65, 325, 541, 1171, 2705, 5855, 7033, 13525, 15223, 29275, 35165, 76115, 175825, 380575, 633511, 3167555, 8235643, 15837775, 41178215, 205891075]

約数ペア:

[(1, 205891075), (5, 41178215), (13, 15837775), (25, 8235643), (65, 3167555), (325, 633511), (541, 380575), (1171, 175825), (2705, 76115), (5855, 35165), (7033, 29275), (13525, 15223)]