28219904

素因数分解:

$2^9\times {\mathrm{55117}}^1$

素因数の和:55135

約数の個数: 20

約数和(自身を含む): 56385714

約数和(自身を除く): 28165810

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 55117, 110234, 220468, 440936, 881872, 1763744, 3527488, 7054976, 14109952, 28219904]

約数ペア:

[(1, 28219904), (2, 14109952), (4, 7054976), (8, 3527488), (16, 1763744), (32, 881872), (64, 440936), (128, 220468), (256, 110234), (512, 55117)]