388778912

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{639439}}^1$

素因数の和:639468

約数の個数: 24

約数和(自身を含む): 805694400

約数和(自身を除く): 416915488

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 639439, 1278878, 2557756, 5115512, 10231024, 12149341, 20462048, 24298682, 48597364, 97194728, 194389456, 388778912]

約数ペア:

[(1, 388778912), (2, 194389456), (4, 97194728), (8, 48597364), (16, 24298682), (19, 20462048), (32, 12149341), (38, 10231024), (76, 5115512), (152, 2557756), (304, 1278878), (608, 639439)]