1388396545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1\times {\mathrm{19751}}^1$

素因数の和:20600

約数の個数: 16

約数和(自身を含む): 1766302848

約数和(自身を除く): 377906303

約数列:

[1, 5, 17, 85, 827, 4135, 14059, 19751, 70295, 98755, 335767, 1678835, 16334077, 81670385, 277679309, 1388396545]

約数ペア:

[(1, 1388396545), (5, 277679309), (17, 81670385), (85, 16334077), (827, 1678835), (4135, 335767), (14059, 98755), (19751, 70295)]