199980416

素因数分解:

$2^7\times {\mathrm{1562347}}^1$

素因数の和:1562361

約数の個数: 16

約数和(自身を含む): 398398740

約数和(自身を除く): 198418324

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1562347, 3124694, 6249388, 12498776, 24997552, 49995104, 99990208, 199980416]

約数ペア:

[(1, 199980416), (2, 99990208), (4, 49995104), (8, 24997552), (16, 12498776), (32, 6249388), (64, 3124694), (128, 1562347)]