1891769090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{191281}}^1$

素因数の和:191354

約数の個数: 32

約数和(自身を含む): 3635888256

約数和(自身を除く): 1744119166

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 191281, 382562, 956405, 1912810, 4399463, 8225083, 8798926, 16450166, 21997315, 41125415, 43994630, 82250830, 189176909, 378353818, 945884545, 1891769090]

約数ペア:

[(1, 1891769090), (2, 945884545), (5, 378353818), (10, 189176909), (23, 82250830), (43, 43994630), (46, 41125415), (86, 21997315), (115, 16450166), (215, 8798926), (230, 8225083), (430, 4399463), (989, 1912810), (1978, 956405), (4945, 382562), (9890, 191281)]