87940645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2365

約数の個数: 32

約数和(自身を含む): 123540480

約数和(自身を除く): 35599835

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2297, 2945, 7657, 11485, 29861, 38285, 43643, 71207, 149305, 218215, 356035, 567359, 925691, 1352933, 2836795, 4628455, 6764665, 17588129, 87940645]

約数ペア:

[(1, 87940645), (5, 17588129), (13, 6764665), (19, 4628455), (31, 2836795), (65, 1352933), (95, 925691), (155, 567359), (247, 356035), (403, 218215), (589, 149305), (1235, 71207), (2015, 43643), (2297, 38285), (2945, 29861), (7657, 11485)]