87191965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1217}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 126282240

約数和(自身を除く): 39090275

約数列:

[1, 5, 7, 23, 35, 89, 115, 161, 445, 623, 805, 1217, 2047, 3115, 6085, 8519, 10235, 14329, 27991, 42595, 71645, 108313, 139955, 195937, 541565, 758191, 979685, 2491199, 3790955, 12455995, 17438393, 87191965]

約数ペア:

[(1, 87191965), (5, 17438393), (7, 12455995), (23, 3790955), (35, 2491199), (89, 979685), (115, 758191), (161, 541565), (445, 195937), (623, 139955), (805, 108313), (1217, 71645), (2047, 42595), (3115, 27991), (6085, 14329), (8519, 10235)]