2783123185

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{1279}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 3548160000

約数和(自身を除く): 765036815

約数列:

[1, 5, 29, 43, 145, 215, 349, 1247, 1279, 1745, 6235, 6395, 10121, 15007, 37091, 50605, 54997, 75035, 185455, 274985, 435203, 446371, 1594913, 2176015, 2231855, 7974565, 12944759, 19193953, 64723795, 95969765, 556624637, 2783123185]

約数ペア:

[(1, 2783123185), (5, 556624637), (29, 95969765), (43, 64723795), (145, 19193953), (215, 12944759), (349, 7974565), (1247, 2231855), (1279, 2176015), (1745, 1594913), (6235, 446371), (6395, 435203), (10121, 274985), (15007, 185455), (37091, 75035), (50605, 54997)]