389943148

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{376393}}^1$

素因数の和:376441

約数の個数: 24

約数和(自身を含む): 800966432

約数和(自身を除く): 411023284

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 376393, 752786, 1505572, 2634751, 5269502, 10539004, 13926541, 27853082, 55706164, 97485787, 194971574, 389943148]

約数ペア:

[(1, 389943148), (2, 194971574), (4, 97485787), (7, 55706164), (14, 27853082), (28, 13926541), (37, 10539004), (74, 5269502), (148, 2634751), (259, 1505572), (518, 752786), (1036, 376393)]