17776494145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{21481}}^1$

素因数の和:21817

約数の個数: 32

約数和(自身を含む): 23262428160

約数和(自身を除く): 5485934015

約数列:

[1, 5, 19, 31, 95, 155, 281, 589, 1405, 2945, 5339, 8711, 21481, 26695, 43555, 107405, 165509, 408139, 665911, 827545, 2040695, 3329555, 6036161, 12652309, 30180805, 63261545, 114687059, 187120991, 573435295, 935604955, 3555298829, 17776494145]

約数ペア:

[(1, 17776494145), (5, 3555298829), (19, 935604955), (31, 573435295), (95, 187120991), (155, 114687059), (281, 63261545), (589, 30180805), (1405, 12652309), (2945, 6036161), (5339, 3329555), (8711, 2040695), (21481, 827545), (26695, 665911), (43555, 408139), (107405, 165509)]