199923968

素因数分解:

$2^8\times {\mathrm{780953}}^1$

素因数の和:780969

約数の個数: 18

約数和(自身を含む): 399067494

約数和(自身を除く): 199143526

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 780953, 1561906, 3123812, 6247624, 12495248, 24990496, 49980992, 99961984, 199923968]

約数ペア:

[(1, 199923968), (2, 99961984), (4, 49980992), (8, 24990496), (16, 12495248), (32, 6247624), (64, 3123812), (128, 1561906), (256, 780953)]