2088385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 2880360

約数和(自身を除く): 791975

約数列:

[1, 5, 13, 19, 65, 89, 95, 247, 361, 445, 1157, 1235, 1691, 1805, 4693, 5785, 8455, 21983, 23465, 32129, 109915, 160645, 417677, 2088385]

約数ペア:

[(1, 2088385), (5, 417677), (13, 160645), (19, 109915), (65, 32129), (89, 23465), (95, 21983), (247, 8455), (361, 5785), (445, 4693), (1157, 1805), (1235, 1691)]