639008

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1080

約数の個数: 24

約数和(自身を含む): 1325520

約数和(自身を除く): 686512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1051, 2102, 4204, 8408, 16816, 19969, 33632, 39938, 79876, 159752, 319504, 639008]

約数ペア:

[(1, 639008), (2, 319504), (4, 159752), (8, 79876), (16, 39938), (19, 33632), (32, 19969), (38, 16816), (76, 8408), (152, 4204), (304, 2102), (608, 1051)]