856557065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{809}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 1280707200

約数和(自身を除く): 424150135

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 179, 455, 809, 845, 895, 1183, 1253, 2327, 4045, 5663, 5915, 6265, 10517, 11635, 16289, 28315, 30251, 52585, 73619, 81445, 136721, 144811, 151255, 211757, 368095, 683605, 724055, 957047, 1013677, 1058785, 1882543, 4785235, 5068385, 9412715, 13177801, 24473059, 65889005, 122365295, 171311413, 856557065]

約数ペア:

[(1, 856557065), (5, 171311413), (7, 122365295), (13, 65889005), (35, 24473059), (65, 13177801), (91, 9412715), (169, 5068385), (179, 4785235), (455, 1882543), (809, 1058785), (845, 1013677), (895, 957047), (1183, 724055), (1253, 683605), (2327, 368095), (4045, 211757), (5663, 151255), (5915, 144811), (6265, 136721), (10517, 81445), (11635, 73619), (16289, 52585), (28315, 30251)]