390944

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:672

約数の個数: 24

約数和(自身を含む): 811440

約数和(自身を除く): 420496

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 643, 1286, 2572, 5144, 10288, 12217, 20576, 24434, 48868, 97736, 195472, 390944]

約数ペア:

[(1, 390944), (2, 195472), (4, 97736), (8, 48868), (16, 24434), (19, 20576), (32, 12217), (38, 10288), (76, 5144), (152, 2572), (304, 1286), (608, 643)]