1388202284

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{378463}}^1$

素因数の和:378605

約数の個数: 24

約数和(自身を含む): 2797605888

約数和(自身を除く): 1409403604

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 378463, 756926, 1513852, 2649241, 5298482, 10596964, 49578653, 99157306, 198314612, 347050571, 694101142, 1388202284]

約数ペア:

[(1, 1388202284), (2, 694101142), (4, 347050571), (7, 198314612), (14, 99157306), (28, 49578653), (131, 10596964), (262, 5298482), (524, 2649241), (917, 1513852), (1834, 756926), (3668, 378463)]