261799307

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2543}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 334098432

約数和(自身を除く): 72299125

約数列:

[1, 7, 11, 49, 77, 191, 539, 1337, 2101, 2543, 9359, 14707, 17801, 27973, 102949, 124607, 195811, 485713, 1370677, 3399991, 5342843, 23799937, 37399901, 261799307]

約数ペア:

[(1, 261799307), (7, 37399901), (11, 23799937), (49, 5342843), (77, 3399991), (191, 1370677), (539, 485713), (1337, 195811), (2101, 124607), (2543, 102949), (9359, 27973), (14707, 17801)]