290437336

素因数分解:

$2^3\times 7^1\times {\mathrm{5186381}}^1$

素因数の和:5186394

約数の個数: 16

約数和(自身を含む): 622365840

約数和(自身を除く): 331928504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 5186381, 10372762, 20745524, 36304667, 41491048, 72609334, 145218668, 290437336]

約数ペア:

[(1, 290437336), (2, 145218668), (4, 72609334), (7, 41491048), (8, 36304667), (14, 20745524), (28, 10372762), (56, 5186381)]