200721968

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{171851}}^1$

素因数の和:171932

約数の個数: 20

約数和(自身を含む): 394228488

約数和(自身を除く): 193506520

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 171851, 343702, 687404, 1374808, 2749616, 12545123, 25090246, 50180492, 100360984, 200721968]

約数ペア:

[(1, 200721968), (2, 100360984), (4, 50180492), (8, 25090246), (16, 12545123), (73, 2749616), (146, 1374808), (292, 687404), (584, 343702), (1168, 171851)]